Q: What is the negative version of the number 645,777,245?
A: -645,777,245
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:
| 645,777,243 | 645,777,244 | 645,777,246 | 645,777,247 |
| -645,777,243 | -645,777,244 | -645,777,246 | -645,777,247 |