19055806892 has 12 divisors (see below), whose sum is σ = 33373264176. Its totient is φ = 9520588560.

The previous prime is 19055806873. The next prime is 19055806909. The reversal of 19055806892 is 29860855091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822859 + ... + 1833282.

It is an arithmetic number, because the mean of its divisors is an integer number (2781105348).

Almost surely, 2^19055806892 is an apocalyptic number.

It is an amenable number.

19055806892 is a deficient number, since it is larger than the sum of its proper divisors (14317457284).

19055806892 is a wasteful number, since it uses less digits than its factorization.

19055806892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657448 (or 3657446 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 19055806892 in words is "nineteen billion, fifty-five million, eight hundred six thousand, eight hundred ninety-two".