Q: What is the negative version of the number 64,639,520?
A: -64,639,520
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:
| 64,639,518 | 64,639,519 | 64,639,521 | 64,639,522 |
| -64,639,518 | -64,639,519 | -64,639,521 | -64,639,522 |