17113479944 has 64 divisors (see below), whose sum is σ = 35926986240. Its totient is φ = 7576092160.

The previous prime is 17113479937. The next prime is 17113479961. The reversal of 17113479944 is 44997431171.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 17113479892 and 17113479901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625577 + ... + 652359.

It is an arithmetic number, because the mean of its divisors is an integer number (561359160).

Almost surely, 2^17113479944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17113479944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17963493120).

17113479944 is an abundant number, since it is smaller than the sum of its proper divisors (18813506296).

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

17113479944 is a wasteful number, since it uses less digits than its factorization.

17113479944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26990 (or 26986 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The spelling of 17113479944 in words is "seventeen billion, one hundred thirteen million, four hundred seventy-nine thousand, nine hundred forty-four".