Q: What is the negative version of the number 563,661,621?
A: -563,661,621
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:
| 563,661,619 | 563,661,620 | 563,661,622 | 563,661,623 |
| -563,661,619 | -563,661,620 | -563,661,622 | -563,661,623 |