19042872593 has 16 divisors (see below), whose sum is σ = 19546202880. Its totient is φ = 18546528000.

The previous prime is 19042872571. The next prime is 19042872619. The reversal of 19042872593 is 39527824091.

It is a cyclic number.

It is not a de Polignac number, because 19042872593 - 2¹⁰ = 19042871569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19042872503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6163193 + ... + 6166281.

It is an arithmetic number, because the mean of its divisors is an integer number (1221637680).

Almost surely, 2^19042872593 is an apocalyptic number.

It is an amenable number.

19042872593 is a deficient number, since it is larger than the sum of its proper divisors (503330287).

19042872593 is a wasteful number, since it uses less digits than its factorization.

19042872593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 19042872593 in words is "nineteen billion, forty-two million, eight hundred seventy-two thousand, five hundred ninety-three".