2568745741 has 2 divisors, whose sum is σ = 2568745742. Its totient is φ = 2568745740.

The previous prime is 2568745733. The next prime is 2568745801. The reversal of 2568745741 is 1475478652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2104515625 + 464230116 = 45875^2 + 21546^2 .

It is a cyclic number.

It is not a de Polignac number, because 2568745741 - 2³ = 2568745733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2568745841) 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, 1284372870 + 1284372871.

It is an arithmetic number, because the mean of its divisors is an integer number (1284372871).

Almost surely, 2^2568745741 is an apocalyptic number.

It is an amenable number.

2568745741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568745741 is an equidigital number, since it uses as much as digits as its factorization.

2568745741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881600, while the sum is 49.

The square root of 2568745741 is about 50682.7953155704. The cubic root of 2568745741 is about 1369.5367999150.

The spelling of 2568745741 in words is "two billion, five hundred sixty-eight million, seven hundred forty-five thousand, seven hundred forty-one".