18474324926 has 16 divisors (see below), whose sum is σ = 28013002080. Its totient is φ = 9136765440.

The previous prime is 18474324917. The next prime is 18474324959. The reversal of 18474324926 is 62942347481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329210 + ... + 381218.

It is an arithmetic number, because the mean of its divisors is an integer number (1750812630).

Almost surely, 2^18474324926 is an apocalyptic number.

18474324926 is a deficient number, since it is larger than the sum of its proper divisors (9538677154).

18474324926 is a wasteful number, since it uses less digits than its factorization.

18474324926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53939.

The product of its digits is 2322432, while the sum is 50.

The spelling of 18474324926 in words is "eighteen billion, four hundred seventy-four million, three hundred twenty-four thousand, nine hundred twenty-six".