18463376946 has 32 divisors (see below), whose sum is σ = 42211105920. Its totient is φ = 5274112896.

The previous prime is 18463376933. The next prime is 18463376957. The reversal of 18463376946 is 64967336481.

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, 160380 + ... + 250296.

It is an arithmetic number, because the mean of its divisors is an integer number (1319097060).

Almost surely, 2^18463376946 is an apocalyptic number.

18463376946 is an abundant number, since it is smaller than the sum of its proper divisors (23747728974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18463376946 is a wasteful number, since it uses less digits than its factorization.

18463376946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94818.

The product of its digits is 15676416, while the sum is 57.

The spelling of 18463376946 in words is "eighteen billion, four hundred sixty-three million, three hundred seventy-six thousand, nine hundred forty-six".