13283729918 has 16 divisors (see below), whose sum is σ = 20129176080. Its totient is φ = 6574343616.

The previous prime is 13283729911. The next prime is 13283729947. The reversal of 13283729918 is 81992738231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13283729918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13283729911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6023 + ... + 163106.

It is an arithmetic number, because the mean of its divisors is an integer number (1258073505).

Almost surely, 2^13283729918 is an apocalyptic number.

13283729918 is a deficient number, since it is larger than the sum of its proper divisors (6845446162).

13283729918 is a wasteful number, since it uses less digits than its factorization.

13283729918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169531.

The product of its digits is 1306368, while the sum is 53.

The spelling of 13283729918 in words is "thirteen billion, two hundred eighty-three million, seven hundred twenty-nine thousand, nine hundred eighteen".