691614359932 has 12 divisors (see below), whose sum is σ = 1210393056376. Its totient is φ = 345787772400.

The previous prime is 691614359921. The next prime is 691614359971. The reversal of 691614359932 is 239953416196.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4771563 + ... + 4914370.

Almost surely, 2^691614359932 is an apocalyptic number.

It is an amenable number.

691614359932 is a deficient number, since it is larger than the sum of its proper divisors (518778696444).

691614359932 is a wasteful number, since it uses less digits than its factorization.

691614359932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9703788 (or 9703786 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 58.

The spelling of 691614359932 in words is "six hundred ninety-one billion, six hundred fourteen million, three hundred fifty-nine thousand, nine hundred thirty-two".