19239605344 has 12 divisors (see below), whose sum is σ = 37877973084. Its totient is φ = 9619802656.

The previous prime is 19239605339. The next prime is 19239605351. The reversal of 19239605344 is 44350693291.

It is a junction number, because it is equal to n+sod(n) for n = 19239605294 and 19239605303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300618802 + ... + 300618865.

It is an arithmetic number, because the mean of its divisors is an integer number (3156497757).

Almost surely, 2^19239605344 is an apocalyptic number.

It is an amenable number.

19239605344 is a deficient number, since it is larger than the sum of its proper divisors (18638367740).

19239605344 is an equidigital number, since it uses as much as digits as its factorization.

19239605344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601237677 (or 601237669 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 19239605344 in words is "nineteen billion, two hundred thirty-nine million, six hundred five thousand, three hundred forty-four".