717427017121 has 4 divisors (see below), whose sum is σ = 717881374000. Its totient is φ = 716972660244.

The previous prime is 717427017059. The next prime is 717427017163. The reversal of 717427017121 is 121710724717.

717427017121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 717427017121 - 2³⁹ = 167671203233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717427017421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227176071 + ... + 227179228.

It is an arithmetic number, because the mean of its divisors is an integer number (179470343500).

Almost surely, 2^717427017121 is an apocalyptic number.

It is an amenable number.

717427017121 is a deficient number, since it is larger than the sum of its proper divisors (454356879).

717427017121 is a wasteful number, since it uses less digits than its factorization.

717427017121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454356878.

The product of its (nonzero) digits is 38416, while the sum is 40.

The spelling of 717427017121 in words is "seven hundred seventeen billion, four hundred twenty-seven million, seventeen thousand, one hundred twenty-one".