13173699507 has 16 divisors (see below), whose sum is σ = 17857955232. Its totient is φ = 8636037120.

The previous prime is 13173699503. The next prime is 13173699523. The reversal of 13173699507 is 70599637131.

It is not a de Polignac number, because 13173699507 - 2² = 13173699503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13173699507.

It is not an unprimeable number, because it can be changed into a prime (13173699503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818643 + ... + 834579.

It is an arithmetic number, because the mean of its divisors is an integer number (1116122202).

Almost surely, 2^13173699507 is an apocalyptic number.

13173699507 is a deficient number, since it is larger than the sum of its proper divisors (4684255725).

13173699507 is a wasteful number, since it uses less digits than its factorization.

13173699507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20518.

The product of its (nonzero) digits is 1071630, while the sum is 51.

The spelling of 13173699507 in words is "thirteen billion, one hundred seventy-three million, six hundred ninety-nine thousand, five hundred seven".