19047298656 has 24 divisors (see below), whose sum is σ = 49999159224. Its totient is φ = 6349099520.

The previous prime is 19047298643. The next prime is 19047298667. The reversal of 19047298656 is 65689274091.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 19047298596 and 19047298605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99204585 + ... + 99204776.

It is an arithmetic number, because the mean of its divisors is an integer number (2083298301).

Almost surely, 2^19047298656 is an apocalyptic number.

19047298656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19047298656 is an abundant number, since it is smaller than the sum of its proper divisors (30951860568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19047298656 is a wasteful number, since it uses less digits than its factorization.

19047298656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198409374 (or 198409366 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 19047298656 in words is "nineteen billion, forty-seven million, two hundred ninety-eight thousand, six hundred fifty-six".