18473928211912 has 16 divisors (see below), whose sum is σ = 34638671139840. Its totient is φ = 9236949241296.

The previous prime is 18473928211883. The next prime is 18473928211913. The reversal of 18473928211912 is 21911282937481.

It is not an unprimeable number, because it can be changed into a prime (18473928211913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4847253 + ... + 7774555.

It is an arithmetic number, because the mean of its divisors is an integer number (2164916946240).

Almost surely, 2^{18473928211912} is an apocalyptic number.

It is an amenable number.

18473928211912 is a deficient number, since it is larger than the sum of its proper divisors (16164742927928).

18473928211912 is a wasteful number, since it uses less digits than its factorization.

18473928211912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716172 (or 3716168 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 58.

The spelling of 18473928211912 in words is "eighteen trillion, four hundred seventy-three billion, nine hundred twenty-eight million, two hundred eleven thousand, nine hundred twelve".