18704535005 has 64 divisors (see below), whose sum is σ = 26062041600. Its totient is φ = 12763914240.

The previous prime is 18704534987. The next prime is 18704535013. The reversal of 18704535005 is 50053540781.

It is not a de Polignac number, because 18704535005 - 2⁸ = 18704534749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18704535005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32872361 + ... + 32872929.

It is an arithmetic number, because the mean of its divisors is an integer number (407219400).

Almost surely, 2^18704535005 is an apocalyptic number.

It is an amenable number.

18704535005 is a deficient number, since it is larger than the sum of its proper divisors (7357506595).

18704535005 is a wasteful number, since it uses less digits than its factorization.

18704535005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 18704535005 in words is "eighteen billion, seven hundred four million, five hundred thirty-five thousand, five".