617927252442 has 16 divisors (see below), whose sum is σ = 1237043982720. Its totient is φ = 205777504512.

The previous prime is 617927252431. The next prime is 617927252473. The reversal of 617927252442 is 244252729716.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49554823 + ... + 49567290.

It is an arithmetic number, because the mean of its divisors is an integer number (77315248920).

Almost surely, 2^617927252442 is an apocalyptic number.

617927252442 is an abundant number, since it is smaller than the sum of its proper divisors (619116730278).

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

617927252442 is a wasteful number, since it uses less digits than its factorization.

617927252442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99123157.

The product of its digits is 3386880, while the sum is 51.

The spelling of 617927252442 in words is "six hundred seventeen billion, nine hundred twenty-seven million, two hundred fifty-two thousand, four hundred forty-two".