18934337774 has 32 divisors (see below), whose sum is σ = 31209753600. Its totient is φ = 8543858400.

The previous prime is 18934337711. The next prime is 18934337801. The reversal of 18934337774 is 47773343981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2022344 + ... + 2031684.

It is an arithmetic number, because the mean of its divisors is an integer number (975304800).

Almost surely, 2^18934337774 is an apocalyptic number.

18934337774 is a deficient number, since it is larger than the sum of its proper divisors (12275415826).

18934337774 is a wasteful number, since it uses less digits than its factorization.

18934337774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016.

The product of its digits is 10668672, while the sum is 56.

The spelling of 18934337774 in words is "eighteen billion, nine hundred thirty-four million, three hundred thirty-seven thousand, seven hundred seventy-four".