Q: What is the negative version of the number 637,661,540?
A: -637,661,540
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:
| 637,661,538 | 637,661,539 | 637,661,541 | 637,661,542 |
| -637,661,538 | -637,661,539 | -637,661,541 | -637,661,542 |