Q: What is the negative version of the number 645,621,059?
A: -645,621,059
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:
| 645,621,057 | 645,621,058 | 645,621,060 | 645,621,061 |
| -645,621,057 | -645,621,058 | -645,621,060 | -645,621,061 |