18609936316113 has 16 divisors (see below), whose sum is σ = 26149474529280. Its totient is φ = 11740024440144.

The previous prime is 18609936316099. The next prime is 18609936316133. The reversal of 18609936316113 is 31161363990681.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-18609936316113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18609936316133) 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, 189110781 + ... + 189209162.

It is an arithmetic number, because the mean of its divisors is an integer number (1634342158080).

Almost surely, 2^{18609936316113} is an apocalyptic number.

It is an amenable number.

18609936316113 is a deficient number, since it is larger than the sum of its proper divisors (7539538213167).

18609936316113 is a wasteful number, since it uses less digits than its factorization.

18609936316113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378320828.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The spelling of 18609936316113 in words is "eighteen trillion, six hundred nine billion, nine hundred thirty-six million, three hundred sixteen thousand, one hundred thirteen".