2568646468652 has 18 divisors (see below), whose sum is σ = 4940929468524. Its totient is φ = 1167566576440.

The previous prime is 2568646468639. The next prime is 2568646468679.

2568646468652 is nontrivially palindromic in base 10.

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 5 ways as a sum of consecutive naturals, for example, 2653559918 + ... + 2653560885.

Almost surely, 2^{2568646468652} is an apocalyptic number.

2568646468652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2568646468652 is a deficient number, since it is larger than the sum of its proper divisors (2372282999872).

2568646468652 is a wasteful number, since it uses less digits than its factorization.

2568646468652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307120829 (or 5307120816 counting only the distinct ones).

The product of its digits is 796262400, while the sum is 68.

The spelling of 2568646468652 in words is "two trillion, five hundred sixty-eight billion, six hundred forty-six million, four hundred sixty-eight thousand, six hundred fifty-two".