5686544456865 has 48 divisors (see below), whose sum is σ = 10197055277136. Its totient is φ = 2929556736000.

The previous prime is 5686544456807. The next prime is 5686544456939.

5686544456865 is a `hidden beast` number, since 5 + 6 + 8 + 6 + 54 + 4 + 4 + 568 + 6 + 5 = 666.

5686544456865 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 162427538529 + 5524116918336 = 403023^2 + 2350344^2 .

It is not a de Polignac number, because 5686544456865 - 2⁸ = 5686544456609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5686544456793 and 5686544456802.

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 in 47 ways as a sum of consecutive naturals, for example, 15071764 + ... + 15444453.

It is an arithmetic number, because the mean of its divisors is an integer number (212438651607).

Almost surely, 2^{5686544456865} is an apocalyptic number.

It is an amenable number.

5686544456865 is a deficient number, since it is larger than the sum of its proper divisors (4510510820271).

5686544456865 is a wasteful number, since it uses less digits than its factorization.

5686544456865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30516370 (or 30516367 counting only the distinct ones).

The product of its digits is 3317760000, while the sum is 72.

The spelling of 5686544456865 in words is "five trillion, six hundred eighty-six billion, five hundred forty-four million, four hundred fifty-six thousand, eight hundred sixty-five".