17317792242 has 24 divisors (see below), whose sum is σ = 37530409644. Its totient is φ = 5771285664.

The previous prime is 17317792211. The next prime is 17317792253. The reversal of 17317792242 is 24229771371.

17317792242 is a `hidden beast` number, since 1 + 7 + 317 + 7 + 92 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13973367681 + 3344424561 = 118209^2 + 57831^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26193 + ... + 187940.

Almost surely, 2^17317792242 is an apocalyptic number.

17317792242 is an abundant number, since it is smaller than the sum of its proper divisors (20212617402).

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

17317792242 is a wasteful number, since it uses less digits than its factorization.

17317792242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218634 (or 218631 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The spelling of 17317792242 in words is "seventeen billion, three hundred seventeen million, seven hundred ninety-two thousand, two hundred forty-two".