Q: What is the negative version of the number 664,235,644?
A: -664,235,644
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 664,235,642 | 664,235,643 | 664,235,645 | 664,235,646 |
| -664,235,642 | -664,235,643 | -664,235,645 | -664,235,646 |