19139012264 has 16 divisors (see below), whose sum is σ = 37445893920. Its totient is φ = 9153440560.

The previous prime is 19139012251. The next prime is 19139012281. The reversal of 19139012264 is 46221093191.

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, 52008002 + ... + 52008369.

It is an arithmetic number, because the mean of its divisors is an integer number (2340368370).

Almost surely, 2^19139012264 is an apocalyptic number.

It is an amenable number.

19139012264 is a deficient number, since it is larger than the sum of its proper divisors (18306881656).

19139012264 is a wasteful number, since it uses less digits than its factorization.

19139012264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104016400 (or 104016396 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 19139012264 in words is "nineteen billion, one hundred thirty-nine million, twelve thousand, two hundred sixty-four".