19109789404 has 12 divisors (see below), whose sum is σ = 33449366664. Its totient is φ = 9552827504.

The previous prime is 19109789399. The next prime is 19109789411. The reversal of 19109789404 is 40498790191.

It is a congruent number.

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, 495907 + ... + 533050.

It is an arithmetic number, because the mean of its divisors is an integer number (2787447222).

Almost surely, 2^19109789404 is an apocalyptic number.

It is an amenable number.

19109789404 is a deficient number, since it is larger than the sum of its proper divisors (14339577260).

19109789404 is a wasteful number, since it uses less digits than its factorization.

19109789404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033604 (or 1033602 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 19109789404 in words is "nineteen billion, one hundred nine million, seven hundred eighty-nine thousand, four hundred four".