2569941613 has 2 divisors, whose sum is σ = 2569941614. Its totient is φ = 2569941612.

The previous prime is 2569941611. The next prime is 2569941637. The reversal of 2569941613 is 3161499652.

2569941613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2117656324 + 452285289 = 46018^2 + 21267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2569941613 - 2¹ = 2569941611 is a prime.

Together with 2569941611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2569941611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284970806 + 1284970807.

It is an arithmetic number, because the mean of its divisors is an integer number (1284970807).

Almost surely, 2^2569941613 is an apocalyptic number.

It is an amenable number.

2569941613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2569941613 is an equidigital number, since it uses as much as digits as its factorization.

2569941613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 46.

The square root of 2569941613 is about 50694.5915557074. The cubic root of 2569941613 is about 1369.7492948816.

The spelling of 2569941613 in words is "two billion, five hundred sixty-nine million, nine hundred forty-one thousand, six hundred thirteen".