Q: What is the negative version of the number 621,555,018?
A: -621,555,018
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:
| 621,555,016 | 621,555,017 | 621,555,019 | 621,555,020 |
| -621,555,016 | -621,555,017 | -621,555,019 | -621,555,020 |