689932339212 has 24 divisors (see below), whose sum is σ = 1621592801136. Its totient is φ = 228298778368.

The previous prime is 689932339211. The next prime is 689932339219. The reversal of 689932339212 is 212933239986.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (689932339211) 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, 209831793 + ... + 209835080.

It is an arithmetic number, because the mean of its divisors is an integer number (67566366714).

Almost surely, 2^689932339212 is an apocalyptic number.

It is an amenable number.

689932339212 is an abundant number, since it is smaller than the sum of its proper divisors (931660461924).

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

689932339212 is a wasteful number, since it uses less digits than its factorization.

689932339212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419667017 (or 419667015 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 57.

The spelling of 689932339212 in words is "six hundred eighty-nine billion, nine hundred thirty-two million, three hundred thirty-nine thousand, two hundred twelve".