19191906092 has 12 divisors (see below), whose sum is σ = 33605072760. Its totient is φ = 9590456736.

The previous prime is 19191906073. The next prime is 19191906103. The reversal of 19191906092 is 29060919191.

It is a happy number.

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, 1366217 + ... + 1380192.

It is an arithmetic number, because the mean of its divisors is an integer number (2800422730).

Almost surely, 2^19191906092 is an apocalyptic number.

It is an amenable number.

19191906092 is a deficient number, since it is larger than the sum of its proper divisors (14413166668).

19191906092 is a wasteful number, since it uses less digits than its factorization.

19191906092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748160 (or 2748158 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 47.

The spelling of 19191906092 in words is "nineteen billion, one hundred ninety-one million, nine hundred six thousand, ninety-two".