683639594428 has 12 divisors (see below), whose sum is σ = 1367279188912. Its totient is φ = 292988397600.

The previous prime is 683639594401. The next prime is 683639594437. The reversal of 683639594428 is 824495936386.

683639594428 is an admirable number.

It is a congruent 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, 12207849873 + ... + 12207849928.

Almost surely, 2^683639594428 is an apocalyptic number.

It is an amenable number.

683639594428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

683639594428 is a wasteful number, since it uses less digits than its factorization.

683639594428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24415699812 (or 24415699810 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 67.

The spelling of 683639594428 in words is "six hundred eighty-three billion, six hundred thirty-nine million, five hundred ninety-four thousand, four hundred twenty-eight".