19391096875 has 12 divisors (see below), whose sum is σ = 24237323712. Its totient is φ = 15512875000.

The previous prime is 19391096849. The next prime is 19391096897. The reversal of 19391096875 is 57869019391.

It is not a de Polignac number, because 19391096875 - 2⁹ = 19391096363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3099451 + ... + 3105700.

It is an arithmetic number, because the mean of its divisors is an integer number (2019776976).

Almost surely, 2^19391096875 is an apocalyptic number.

19391096875 is a deficient number, since it is larger than the sum of its proper divisors (4846226837).

19391096875 is an frugal number, since it uses more digits than its factorization.

19391096875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205176 (or 6205156 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 58.

The spelling of 19391096875 in words is "nineteen billion, three hundred ninety-one million, ninety-six thousand, eight hundred seventy-five".