683703958928 has 40 divisors (see below), whose sum is σ = 1340695424376. Its totient is φ = 337732736000.

The previous prime is 683703958919. The next prime is 683703958939. The reversal of 683703958928 is 829859307386.

It can be written as a sum of positive squares in 4 ways, for example, as 402600402064 + 281103556864 = 634508^2 + 530192^2 .

It is a super-2 number, since 2×683703958928² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286100 + ... + 1203852.

Almost surely, 2^683703958928 is an apocalyptic number.

It is an amenable number.

683703958928 is a deficient number, since it is larger than the sum of its proper divisors (656991465448).

683703958928 is a wasteful number, since it uses less digits than its factorization.

683703958928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918323 (or 918317 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 683703958928 in words is "six hundred eighty-three billion, seven hundred three million, nine hundred fifty-eight thousand, nine hundred twenty-eight".