Q: What is the negative version of the number 621,516,216?
A: -621,516,216
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:
| 621,516,214 | 621,516,215 | 621,516,217 | 621,516,218 |
| -621,516,214 | -621,516,215 | -621,516,217 | -621,516,218 |