690718882881 has 8 divisors (see below), whose sum is σ = 921425299200. Its totient is φ = 460245860912.

The previous prime is 690718882859. The next prime is 690718882933. The reversal of 690718882881 is 188288817096.

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 690718882881 - 2⁵ = 690718882849 is a prime.

It is a super-2 number, since 2×690718882881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (690718882801) 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, 58341681 + ... + 58353518.

It is an arithmetic number, because the mean of its divisors is an integer number (115178162400).

Almost surely, 2^690718882881 is an apocalyptic number.

It is an amenable number.

690718882881 is a deficient number, since it is larger than the sum of its proper divisors (230706416319).

690718882881 is a wasteful number, since it uses less digits than its factorization.

690718882881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116697175.

The product of its (nonzero) digits is 24772608, while the sum is 66.

The spelling of 690718882881 in words is "six hundred ninety billion, seven hundred eighteen million, eight hundred eighty-two thousand, eight hundred eighty-one".