Q: What is the negative version of the number 645,611,745?
A: -645,611,745
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:
| 645,611,743 | 645,611,744 | 645,611,746 | 645,611,747 |
| -645,611,743 | -645,611,744 | -645,611,746 | -645,611,747 |