18014239065 has 32 divisors (see below), whose sum is σ = 29098976256. Its totient is φ = 9515943360.

The previous prime is 18014239027. The next prime is 18014239079. The reversal of 18014239065 is 56093241081.

It is not a de Polignac number, because 18014239065 - 2⁹ = 18014238553 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696210 + ... + 721620.

It is an arithmetic number, because the mean of its divisors is an integer number (909343008).

Almost surely, 2^18014239065 is an apocalyptic number.

18014239065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18014239065 is a deficient number, since it is larger than the sum of its proper divisors (11084737191).

18014239065 is a wasteful number, since it uses less digits than its factorization.

18014239065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25869.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 18014239065 in words is "eighteen billion, fourteen million, two hundred thirty-nine thousand, sixty-five".