2568057845 has 18 divisors (see below), whose sum is σ = 3123427074. Its totient is φ = 2026978720.

The previous prime is 2568057809. The next prime is 2568057871. The reversal of 2568057845 is 5487508652.

It can be written as a sum of positive squares in 3 ways, for example, as 1326270724 + 1241787121 = 36418^2 + 35239^2 .

It is not a de Polignac number, because 2568057845 - 2⁶ = 2568057781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2568057793 and 2568057802.

It is a congruent number.

It is an unprimeable number.

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 in 17 ways as a sum of consecutive naturals, for example, 14844179 + ... + 14844351.

Almost surely, 2^2568057845 is an apocalyptic number.

It is an amenable number.

2568057845 is a deficient number, since it is larger than the sum of its proper divisors (555369229).

2568057845 is an frugal number, since it uses more digits than its factorization.

2568057845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 50.

The square root of 2568057845 is about 50676.0085740777. The cubic root of 2568057845 is about 1369.4145375231.

The spelling of 2568057845 in words is "two billion, five hundred sixty-eight million, fifty-seven thousand, eight hundred forty-five".