683995137832 has 8 divisors (see below), whose sum is σ = 1282490883450. Its totient is φ = 341997568912.

The previous prime is 683995137829. The next prime is 683995137841. The reversal of 683995137832 is 238731599386.

It can be written as a sum of positive squares in only one way, i.e., 679084772356 + 4910365476 = 824066^2 + 70074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42749696107 + ... + 42749696122.

Almost surely, 2^683995137832 is an apocalyptic number.

It is an amenable number.

683995137832 is a deficient number, since it is larger than the sum of its proper divisors (598495745618).

683995137832 is a wasteful number, since it uses less digits than its factorization.

683995137832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85499392235 (or 85499392231 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 64.

The spelling of 683995137832 in words is "six hundred eighty-three billion, nine hundred ninety-five million, one hundred thirty-seven thousand, eight hundred thirty-two".