689544513932 has 12 divisors (see below), whose sum is σ = 1277685423000. Its totient is φ = 324491535936.

The previous prime is 689544513929. The next prime is 689544513953. The reversal of 689544513932 is 239315445986.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5070180182 + ... + 5070180317.

It is an arithmetic number, because the mean of its divisors is an integer number (106473785250).

Almost surely, 2^689544513932 is an apocalyptic number.

It is an amenable number.

689544513932 is a deficient number, since it is larger than the sum of its proper divisors (588140909068).

689544513932 is a wasteful number, since it uses less digits than its factorization.

689544513932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10140360520 (or 10140360518 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 59.

The spelling of 689544513932 in words is "six hundred eighty-nine billion, five hundred forty-four million, five hundred thirteen thousand, nine hundred thirty-two".