683344657593 has 12 divisors (see below), whose sum is σ = 1062980578660. Its totient is φ = 420519789216.

The previous prime is 683344657561. The next prime is 683344657621. The reversal of 683344657593 is 395756443386.

683344657593 is a `hidden beast` number, since 6 + 8 + 3 + 34 + 4 + 6 + 5 + 7 + 593 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 215308064169 + 468036593424 = 464013^2 + 684132^2 .

It is not a de Polignac number, because 683344657593 - 2⁵ = 683344657561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 683344657593.

It is not an unprimeable number, because it can be changed into a prime (683344657393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2920276198 + ... + 2920276431.

Almost surely, 2^683344657593 is an apocalyptic number.

It is an amenable number.

683344657593 is a deficient number, since it is larger than the sum of its proper divisors (379635921067).

683344657593 is a wasteful number, since it uses less digits than its factorization.

683344657593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840552648 (or 5840552645 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 63.

The spelling of 683344657593 in words is "six hundred eighty-three billion, three hundred forty-four million, six hundred fifty-seven thousand, five hundred ninety-three".