5686644466865 has 16 divisors (see below), whose sum is σ = 6906670243200. Its totient is φ = 4494395148672.

The previous prime is 5686644466861. The next prime is 5686644466873.

5686644466865 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 5686644466865 - 2² = 5686644466861 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5686644466792 and 5686644466801.

It is not an unprimeable number, because it can be changed into a prime (5686644466861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12960860 + ... + 13392429.

It is an arithmetic number, because the mean of its divisors is an integer number (431666890200).

Almost surely, 2^{5686644466865} is an apocalyptic number.

It is an amenable number.

5686644466865 is a deficient number, since it is larger than the sum of its proper divisors (1220025776335).

5686644466865 is a wasteful number, since it uses less digits than its factorization.

5686644466865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26353816.

The product of its digits is 4777574400, while the sum is 74.

The spelling of 5686644466865 in words is "five trillion, six hundred eighty-six billion, six hundred forty-four million, four hundred sixty-six thousand, eight hundred sixty-five".