2568427243 has 2 divisors, whose sum is σ = 2568427244. Its totient is φ = 2568427242.

The previous prime is 2568427231. The next prime is 2568427259. The reversal of 2568427243 is 3427248652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2568427243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2568427243.

It is not a weakly prime, because it can be changed into another prime (2568425243) by changing a digit.

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 as a sum of consecutive naturals, namely, 1284213621 + 1284213622.

It is an arithmetic number, because the mean of its divisors is an integer number (1284213622).

Almost surely, 2^2568427243 is an apocalyptic number.

2568427243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568427243 is an equidigital number, since it uses as much as digits as its factorization.

2568427243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 43.

The square root of 2568427243 is about 50679.6531460112. The cubic root of 2568427243 is about 1369.4801947589.

The spelling of 2568427243 in words is "two billion, five hundred sixty-eight million, four hundred twenty-seven thousand, two hundred forty-three".