2568667673 has 12 divisors (see below), whose sum is σ = 3034318608. Its totient is φ = 2155523760.

The previous prime is 2568667643. The next prime is 2568667679. The reversal of 2568667673 is 3767668652.

It is not a de Polignac number, because 2568667673 - 2⁸ = 2568667417 is a prime.

It is a super-2 number, since 2×2568667673² = 13196107228630469858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2568667679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689015 + ... + 692732.

It is an arithmetic number, because the mean of its divisors is an integer number (252859884).

Almost surely, 2^2568667673 is an apocalyptic number.

It is an amenable number.

2568667673 is a deficient number, since it is larger than the sum of its proper divisors (465650935).

2568667673 is a wasteful number, since it uses less digits than its factorization.

2568667673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381784 (or 1381771 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 56.

The square root of 2568667673 is about 50682.0251469887. The cubic root of 2568667673 is about 1369.5229256883.

The spelling of 2568667673 in words is "two billion, five hundred sixty-eight million, six hundred sixty-seven thousand, six hundred seventy-three".