5656464646565 has 16 divisors (see below), whose sum is σ = 6954861086976. Its totient is φ = 4414049640000.

The previous prime is 5656464646559. The next prime is 5656464646577.

5656464646565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5656464646565 - 2¹² = 5656464642469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5656464646495 and 5656464646504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17354606 + ... + 17677535.

It is an arithmetic number, because the mean of its divisors is an integer number (434678817936).

Almost surely, 2^{5656464646565} is an apocalyptic number.

It is an amenable number.

5656464646565 is a deficient number, since it is larger than the sum of its proper divisors (1298396440411).

5656464646565 is a wasteful number, since it uses less digits than its factorization.

5656464646565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35032940.

The product of its digits is 1866240000, while the sum is 68.

The spelling of 5656464646565 in words is "five trillion, six hundred fifty-six billion, four hundred sixty-four million, six hundred forty-six thousand, five hundred sixty-five".