Q: What is the negative version of the number 666,474,509?
A: -666,474,509
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:
| 666,474,507 | 666,474,508 | 666,474,510 | 666,474,511 |
| -666,474,507 | -666,474,508 | -666,474,510 | -666,474,511 |