2568008663 has 4 divisors (see below), whose sum is σ = 2801464008. Its totient is φ = 2334553320.

The previous prime is 2568008617. The next prime is 2568008671. The reversal of 2568008663 is 3668008652.

2568008663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2568008663 - 2⁸ = 2568008407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568001663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116727656 + ... + 116727677.

It is an arithmetic number, because the mean of its divisors is an integer number (700366002).

Almost surely, 2^2568008663 is an apocalyptic number.

2568008663 is a deficient number, since it is larger than the sum of its proper divisors (233455345).

2568008663 is a wasteful number, since it uses less digits than its factorization.

2568008663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233455344.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 2568008663 is about 50675.5233125421. The cubic root of 2568008663 is about 1369.4057953815.

The spelling of 2568008663 in words is "two billion, five hundred sixty-eight million, eight thousand, six hundred sixty-three".