18325193793 has 32 divisors (see below), whose sum is σ = 25069824000. Its totient is φ = 11903059200.

The previous prime is 18325193693. The next prime is 18325193801. The reversal of 18325193793 is 39739152381.

It is not a de Polignac number, because 18325193793 - 2⁹ = 18325193281 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (18325193693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9401383 + ... + 9403331.

It is an arithmetic number, because the mean of its divisors is an integer number (783432000).

Almost surely, 2^18325193793 is an apocalyptic number.

It is an amenable number.

18325193793 is a deficient number, since it is larger than the sum of its proper divisors (6744630207).

18325193793 is a wasteful number, since it uses less digits than its factorization.

18325193793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473.

The product of its digits is 1224720, while the sum is 51.

The spelling of 18325193793 in words is "eighteen billion, three hundred twenty-five million, one hundred ninety-three thousand, seven hundred ninety-three".