19385933275 has 12 divisors (see below), whose sum is σ = 24308656200. Its totient is φ = 15334489280.

The previous prime is 19385933219. The next prime is 19385933381. The reversal of 19385933275 is 57233958391.

It is a de Polignac number, because none of the positive numbers 2^k-19385933275 is a prime.

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, 4354165 + ... + 4358614.

It is an arithmetic number, because the mean of its divisors is an integer number (2025721350).

Almost surely, 2^19385933275 is an apocalyptic number.

19385933275 is a deficient number, since it is larger than the sum of its proper divisors (4922722925).

19385933275 is an equidigital number, since it uses as much as digits as its factorization.

19385933275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712878 (or 8712873 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 55.

The spelling of 19385933275 in words is "nineteen billion, three hundred eighty-five million, nine hundred thirty-three thousand, two hundred seventy-five".