18875568818713 has 8 divisors (see below), whose sum is σ = 18918769108736. Its totient is φ = 18832410576000.

The previous prime is 18875568818591. The next prime is 18875568818789. The reversal of 18875568818713 is 31781886557881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18875568818713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18875568818713.

It is not an unprimeable number, because it can be changed into a prime (18875568518713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9612888 + ... + 11408713.

It is an arithmetic number, because the mean of its divisors is an integer number (2364846138592).

Almost surely, 2^{18875568818713} is an apocalyptic number.

It is an amenable number.

18875568818713 is a deficient number, since it is larger than the sum of its proper divisors (43200290023).

18875568818713 is a wasteful number, since it uses less digits than its factorization.

18875568818713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21023655.

The product of its digits is 722534400, while the sum is 76.

The spelling of 18875568818713 in words is "eighteen trillion, eight hundred seventy-five billion, five hundred sixty-eight million, eight hundred eighteen thousand, seven hundred thirteen".