Q: What is the negative version of the number 640,534,559?
A: -640,534,559
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:
| 640,534,557 | 640,534,558 | 640,534,560 | 640,534,561 |
| -640,534,557 | -640,534,558 | -640,534,560 | -640,534,561 |