689229922986 has 72 divisors (see below), whose sum is σ = 1649210882592. Its totient is φ = 207867567600.

The previous prime is 689229922973. The next prime is 689229923003.

689229922986 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 290326 + ... + 1209441.

Almost surely, 2^689229922986 is an apocalyptic number.

689229922986 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

689229922986 is an abundant number, since it is smaller than the sum of its proper divisors (959980959606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689229922986 is a wasteful number, since it uses less digits than its factorization.

689229922986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500008 (or 1499994 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The spelling of 689229922986 in words is "six hundred eighty-nine billion, two hundred twenty-nine million, nine hundred twenty-two thousand, nine hundred eighty-six".