18327939473348 has 12 divisors (see below), whose sum is σ = 32074830317712. Its totient is φ = 9163702239720.

The previous prime is 18327939473323. The next prime is 18327939473359. The reversal of 18327939473348 is 84337493972381.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66720038 + ... + 66994173.

It is an arithmetic number, because the mean of its divisors is an integer number (2672902526476).

Almost surely, 2^{18327939473348} is an apocalyptic number.

It is an amenable number.

18327939473348 is a deficient number, since it is larger than the sum of its proper divisors (13746890844364).

18327939473348 is a wasteful number, since it uses less digits than its factorization.

18327939473348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133748482 (or 133748480 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 71.

The spelling of 18327939473348 in words is "eighteen trillion, three hundred twenty-seven billion, nine hundred thirty-nine million, four hundred seventy-three thousand, three hundred forty-eight".