18919192842958 has 32 divisors (see below), whose sum is σ = 30451606178400. Its totient is φ = 8798793163776.

The previous prime is 18919192842943. The next prime is 18919192842971. The reversal of 18919192842958 is 85924829191981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51776043 + ... + 52140166.

It is an arithmetic number, because the mean of its divisors is an integer number (951612693075).

Almost surely, 2^{18919192842958} is an apocalyptic number.

18919192842958 is a deficient number, since it is larger than the sum of its proper divisors (11532413335442).

18919192842958 is a wasteful number, since it uses less digits than its factorization.

18919192842958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103916356.

The product of its digits is 268738560, while the sum is 76.

The spelling of 18919192842958 in words is "eighteen trillion, nine hundred nineteen billion, one hundred ninety-two million, eight hundred forty-two thousand, nine hundred fifty-eight".