Q: What is the negative version of the number 13,505,609?
A: -13,505,609
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:
| 13,505,607 | 13,505,608 | 13,505,610 | 13,505,611 |
| -13,505,607 | -13,505,608 | -13,505,610 | -13,505,611 |