18712833934 has 8 divisors (see below), whose sum is σ = 28089698760. Its totient is φ = 9349601016.

The previous prime is 18712833917. The next prime is 18712833959. The reversal of 18712833934 is 43933821781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 3404544 + ... + 3410035.

It is an arithmetic number, because the mean of its divisors is an integer number (3511212345).

Almost surely, 2^18712833934 is an apocalyptic number.

18712833934 is a deficient number, since it is larger than the sum of its proper divisors (9376864826).

18712833934 is a wasteful number, since it uses less digits than its factorization.

18712833934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815954.

The product of its digits is 870912, while the sum is 49.

The spelling of 18712833934 in words is "eighteen billion, seven hundred twelve million, eight hundred thirty-three thousand, nine hundred thirty-four".