709385860681 has 8 divisors (see below), whose sum is σ = 711026268800. Its totient is φ = 707745920112.

The previous prime is 709385860669. The next prime is 709385860741. The reversal of 709385860681 is 186068583907.

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

It is a cyclic number.

It is not a de Polignac number, because 709385860681 - 2¹³ = 709385852489 is a prime.

It is a super-2 number, since 2×709385860681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (709385860621) 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, 3017995 + ... + 3244543.

It is an arithmetic number, because the mean of its divisors is an integer number (88878283600).

Almost surely, 2^709385860681 is an apocalyptic number.

It is an amenable number.

709385860681 is a deficient number, since it is larger than the sum of its proper divisors (1640408119).

709385860681 is a wasteful number, since it uses less digits than its factorization.

709385860681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233775.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 709385860681 in words is "seven hundred nine billion, three hundred eighty-five million, eight hundred sixty thousand, six hundred eighty-one".