Q: What is the negative version of the number 721,650,399?
A: -721,650,399
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:
| 721,650,397 | 721,650,398 | 721,650,400 | 721,650,401 |
| -721,650,397 | -721,650,398 | -721,650,400 | -721,650,401 |