2568013801 has 4 divisors (see below), whose sum is σ = 2568140100. Its totient is φ = 2567887504.

The previous prime is 2568013781. The next prime is 2568013813. The reversal of 2568013801 is 1083108652.

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

It can be written as a sum of positive squares in 2 ways, for example, as 918029401 + 1649984400 = 30299^2 + 40620^2 .

It is a cyclic number.

It is not a de Polignac number, because 2568013801 - 2⁷ = 2568013673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2568013831) 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, 24946 + ... + 75883.

It is an arithmetic number, because the mean of its divisors is an integer number (642035025).

Almost surely, 2^2568013801 is an apocalyptic number.

It is an amenable number.

2568013801 is a deficient number, since it is larger than the sum of its proper divisors (126299).

2568013801 is a wasteful number, since it uses less digits than its factorization.

2568013801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126298.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2568013801 is about 50675.5740076025. The cubic root of 2568013801 is about 1369.4067086705.

The spelling of 2568013801 in words is "two billion, five hundred sixty-eight million, thirteen thousand, eight hundred one".