19381242592 has 48 divisors (see below), whose sum is σ = 38421810000. Its totient is φ = 9623457792.

The previous prime is 19381242557. The next prime is 19381242607. The reversal of 19381242592 is 29524218391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6913063 + ... + 6915865.

It is an arithmetic number, because the mean of its divisors is an integer number (800454375).

Almost surely, 2^19381242592 is an apocalyptic number.

It is an amenable number.

19381242592 is a deficient number, since it is larger than the sum of its proper divisors (19040567408).

19381242592 is a wasteful number, since it uses less digits than its factorization.

19381242592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235 (or 4227 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The spelling of 19381242592 in words is "nineteen billion, three hundred eighty-one million, two hundred forty-two thousand, five hundred ninety-two".