18835089264 has 30 divisors (see below), whose sum is σ = 52712090496. Its totient is φ = 6278363040.

The previous prime is 18835089263. The next prime is 18835089289. The reversal of 18835089264 is 46298053881.

It is a self number, because there is not a number n which added to its sum of digits gives 18835089264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18835089263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65399472 + ... + 65399759.

Almost surely, 2^18835089264 is an apocalyptic number.

It is an amenable number.

18835089264 is an abundant number, since it is smaller than the sum of its proper divisors (33877001232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18835089264 is a wasteful number, since it uses less digits than its factorization.

18835089264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130799245 (or 130799236 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 18835089264 in words is "eighteen billion, eight hundred thirty-five million, eighty-nine thousand, two hundred sixty-four".