18463376945 has 32 divisors (see below), whose sum is σ = 24063105024. Its totient is φ = 13519123200.

The previous prime is 18463376933. The next prime is 18463376957. The reversal of 18463376945 is 54967336481.

It is an interprime number because it is at equal distance from previous prime (18463376933) and next prime (18463376957).

It is not a de Polignac number, because 18463376945 - 2¹⁰ = 18463375921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4107119 + ... + 4111611.

It is an arithmetic number, because the mean of its divisors is an integer number (751972032).

Almost surely, 2^18463376945 is an apocalyptic number.

It is an amenable number.

18463376945 is a deficient number, since it is larger than the sum of its proper divisors (5599728079).

18463376945 is a wasteful number, since it uses less digits than its factorization.

18463376945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033.

The product of its digits is 13063680, while the sum is 56.

The spelling of 18463376945 in words is "eighteen billion, four hundred sixty-three million, three hundred seventy-six thousand, nine hundred forty-five".