713971665681 has 8 divisors (see below), whose sum is σ = 951976757280. Its totient is φ = 475973842272.

The previous prime is 713971665677. The next prime is 713971665703. The reversal of 713971665681 is 186566179317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 713971665681 - 2² = 713971665677 is a prime.

It is a super-2 number, since 2×713971665681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (713971665601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583551 + ... + 1983828.

It is an arithmetic number, because the mean of its divisors is an integer number (118997094660).

Almost surely, 2^713971665681 is an apocalyptic number.

It is an amenable number.

713971665681 is a deficient number, since it is larger than the sum of its proper divisors (238005091599).

713971665681 is a wasteful number, since it uses less digits than its factorization.

713971665681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634095.

The product of its digits is 11430720, while the sum is 60.

The spelling of 713971665681 in words is "seven hundred thirteen billion, nine hundred seventy-one million, six hundred sixty-five thousand, six hundred eighty-one".