689692296986 has 16 divisors (see below), whose sum is σ = 1289814166080. Its totient is φ = 268711284480.

The previous prime is 689692296967. The next prime is 689692297013.

689692296986 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 689692296986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239260551 + ... + 2239260858.

It is an arithmetic number, because the mean of its divisors is an integer number (80613385380).

Almost surely, 2^689692296986 is an apocalyptic number.

689692296986 is a deficient number, since it is larger than the sum of its proper divisors (600121869094).

689692296986 is a wasteful number, since it uses less digits than its factorization.

689692296986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478521429.

The product of its digits is 2176782336, while the sum is 80.

The spelling of 689692296986 in words is "six hundred eighty-nine billion, six hundred ninety-two million, two hundred ninety-six thousand, nine hundred eighty-six".