683996219568 has 60 divisors (see below), whose sum is σ = 1928010983080. Its totient is φ = 226358454528.

The previous prime is 683996219521. The next prime is 683996219609. The reversal of 683996219568 is 865912699386.

683996219568 is a `hidden beast` number, since 6 + 8 + 39 + 9 + 6 + 21 + 9 + 568 = 666.

It is a super-2 number, since 2×683996219568² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 683996219496 and 683996219505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17066221 + ... + 17106252.

Almost surely, 2^683996219568 is an apocalyptic number.

It is an amenable number.

683996219568 is an abundant number, since it is smaller than the sum of its proper divisors (1244014763512).

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

683996219568 is a wasteful number, since it uses less digits than its factorization.

683996219568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34172626 (or 34172617 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 72.

The spelling of 683996219568 in words is "six hundred eighty-three billion, nine hundred ninety-six million, two hundred nineteen thousand, five hundred sixty-eight".