18968516141795 has 32 divisors (see below), whose sum is σ = 25011270063360. Its totient is φ = 13695427751040.

The previous prime is 18968516141767. The next prime is 18968516141857. The reversal of 18968516141795 is 59714161586981.

It is a Cunningham number, because it is equal to 4355286²-1.

It is not a de Polignac number, because 18968516141795 - 2⁴⁰ = 17869004514019 is a prime.

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, 239501192 + ... + 239580378.

It is an arithmetic number, because the mean of its divisors is an integer number (781602189480).

Almost surely, 2^{18968516141795} is an apocalyptic number.

18968516141795 is a deficient number, since it is larger than the sum of its proper divisors (6042753921565).

18968516141795 is a wasteful number, since it uses less digits than its factorization.

18968516141795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110675.

The product of its digits is 130636800, while the sum is 71.

The spelling of 18968516141795 in words is "eighteen trillion, nine hundred sixty-eight billion, five hundred sixteen million, one hundred forty-one thousand, seven hundred ninety-five".