[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Type](https://evolu.dev/docs/api-reference/common/Type) › NegativeNumber

```ts
const NegativeNumber: negative(NonPositiveNumber);
```

Defined in: [packages/common/src/Type.ts:7825](https://github.com/evoluhq/evolu/blob/dd96d79f1dbe9a49fa12ce8e0aa7d3d0177795ca/packages/common/src/Type.ts#L7825)

Negative [Number](https://evolu.dev/docs/api-reference/common/Type/variables/Number).

Also satisfies [NonPositiveNumber](https://evolu.dev/docs/api-reference/common/Type/variables/NonPositiveNumber), so it can be used wherever a
non-positive number is required.