19139723075 has 24 divisors (see below), whose sum is σ = 25973660496. Its totient is φ = 13875264000.

The previous prime is 19139723063. The next prime is 19139723089. The reversal of 19139723075 is 57032793191.

It is not a de Polignac number, because 19139723075 - 2¹² = 19139718979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25106 + ... + 197255.

It is an arithmetic number, because the mean of its divisors is an integer number (1082235854).

Almost surely, 2^19139723075 is an apocalyptic number.

19139723075 is a deficient number, since it is larger than the sum of its proper divisors (6833937421).

19139723075 is a wasteful number, since it uses less digits than its factorization.

19139723075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222695 (or 222690 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 47.

The spelling of 19139723075 in words is "nineteen billion, one hundred thirty-nine million, seven hundred twenty-three thousand, seventy-five".