18364975232983 has 4 divisors (see below), whose sum is σ = 18376446174768. Its totient is φ = 18353504291200.

The previous prime is 18364975232963. The next prime is 18364975232987. The reversal of 18364975232983 is 38923257946381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18364975232983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18364975232987) 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, 5735468491 + ... + 5735471692.

It is an arithmetic number, because the mean of its divisors is an integer number (4594111543692).

Almost surely, 2^{18364975232983} is an apocalyptic number.

18364975232983 is a deficient number, since it is larger than the sum of its proper divisors (11470941785).

18364975232983 is a wasteful number, since it uses less digits than its factorization.

18364975232983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11470941784.

The product of its digits is 470292480, while the sum is 70.

The spelling of 18364975232983 in words is "eighteen trillion, three hundred sixty-four billion, nine hundred seventy-five million, two hundred thirty-two thousand, nine hundred eighty-three".