3685536438568 has 32 divisors (see below), whose sum is σ = 7079610240360. Its totient is φ = 1797649054720.

The previous prime is 3685536438517. The next prime is 3685536438599. The reversal of 3685536438568 is 8658346355863.

It can be written as a sum of positive squares in 4 ways, for example, as 2121631122724 + 1563905315844 = 1456582^2 + 1250562^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3685536438497 and 3685536438506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2892630 + ... + 3967162.

Almost surely, 2^{3685536438568} is an apocalyptic number.

It is an amenable number.

3685536438568 is a deficient number, since it is larger than the sum of its proper divisors (3394073801792).

3685536438568 is a wasteful number, since it uses less digits than its factorization.

3685536438568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085037 (or 1085033 counting only the distinct ones).

The product of its digits is 1492992000, while the sum is 70.

The spelling of 3685536438568 in words is "three trillion, six hundred eighty-five billion, five hundred thirty-six million, four hundred thirty-eight thousand, five hundred sixty-eight".