2568637673 has 12 divisors (see below), whose sum is σ = 3003033600. Its totient is φ = 2190617352.

The previous prime is 2568637553. The next prime is 2568637681. The reversal of 2568637673 is 3767368652.

It is not a de Polignac number, because 2568637673 - 2¹⁰ = 2568636649 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2568637693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121961 + ... + 141462.

It is an arithmetic number, because the mean of its divisors is an integer number (250252800).

Almost surely, 2^2568637673 is an apocalyptic number.

It is an amenable number.

2568637673 is a deficient number, since it is larger than the sum of its proper divisors (434395927).

2568637673 is a wasteful number, since it uses less digits than its factorization.

2568637673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263636 (or 263629 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 53.

The square root of 2568637673 is about 50681.7291832076. The cubic root of 2568637673 is about 1369.5175940205.

The spelling of 2568637673 in words is "two billion, five hundred sixty-eight million, six hundred thirty-seven thousand, six hundred seventy-three".