18335009764 has 12 divisors (see below), whose sum is σ = 33192690300. Its totient is φ = 8851383968.

The previous prime is 18335009753. The next prime is 18335009773. The reversal of 18335009764 is 46790053381.

It can be written as a sum of positive squares in 2 ways, for example, as 14486048164 + 3848961600 = 120358^2 + 62040^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79030099 + ... + 79030330.

It is an arithmetic number, because the mean of its divisors is an integer number (2766057525).

Almost surely, 2^18335009764 is an apocalyptic number.

It is an amenable number.

18335009764 is a deficient number, since it is larger than the sum of its proper divisors (14857680536).

18335009764 is a wasteful number, since it uses less digits than its factorization.

18335009764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158060462 (or 158060460 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 18335009764 in words is "eighteen billion, three hundred thirty-five million, nine thousand, seven hundred sixty-four".