Q: What is the negative version of the number 651,375,639?
A: -651,375,639
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:
| 651,375,637 | 651,375,638 | 651,375,640 | 651,375,641 |
| -651,375,637 | -651,375,638 | -651,375,640 | -651,375,641 |