715783342361681 has 4 divisors (see below), whose sum is σ = 780854555303664. Its totient is φ = 650712129419700.

The previous prime is 715783342361677. The next prime is 715783342361707. The reversal of 715783342361681 is 186163243387517.

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 715783342361681 - 2² = 715783342361677 is a prime.

It is a super-2 number, since 2×715783342361681² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715783342361621) 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, 32535606470975 + ... + 32535606470996.

It is an arithmetic number, because the mean of its divisors is an integer number (195213638825916).

Almost surely, 2^{715783342361681} is an apocalyptic number.

It is an amenable number.

715783342361681 is a deficient number, since it is larger than the sum of its proper divisors (65071212941983).

715783342361681 is a wasteful number, since it uses less digits than its factorization.

715783342361681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65071212941982.

The product of its digits is 121927680, while the sum is 65.

The spelling of 715783342361681 in words is "seven hundred fifteen trillion, seven hundred eighty-three billion, three hundred forty-two million, three hundred sixty-one thousand, six hundred eighty-one".