19317472244 has 24 divisors (see below), whose sum is σ = 38989399680. Its totient is φ = 8202962016.

The previous prime is 19317472243. The next prime is 19317472247. The reversal of 19317472244 is 44227471391.

It is a junction number, because it is equal to n+sod(n) for n = 19317472195 and 19317472204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19317472241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3161672 + ... + 3167775.

It is an arithmetic number, because the mean of its divisors is an integer number (1624558320).

Almost surely, 2^19317472244 is an apocalyptic number.

19317472244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19317472244 is an abundant number, since it is smaller than the sum of its proper divisors (19671927436).

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

19317472244 is a wasteful number, since it uses less digits than its factorization.

19317472244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329567 (or 6329565 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The spelling of 19317472244 in words is "nineteen billion, three hundred seventeen million, four hundred seventy-two thousand, two hundred forty-four".