2568463439 has 2 divisors, whose sum is σ = 2568463440. Its totient is φ = 2568463438.

The previous prime is 2568463399. The next prime is 2568463441. The reversal of 2568463439 is 9343648652.

2568463439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2568463439 is a prime.

Together with 2568463441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2568463939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284231719 + 1284231720.

It is an arithmetic number, because the mean of its divisors is an integer number (1284231720).

Almost surely, 2^2568463439 is an apocalyptic number.

2568463439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568463439 is an equidigital number, since it uses as much as digits as its factorization.

2568463439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 50.

The square root of 2568463439 is about 50680.0102505909. The cubic root of 2568463439 is about 1369.4866279399.

The spelling of 2568463439 in words is "two billion, five hundred sixty-eight million, four hundred sixty-three thousand, four hundred thirty-nine".