2565873119 has 2 divisors, whose sum is σ = 2565873120. Its totient is φ = 2565873118.

The previous prime is 2565873113. The next prime is 2565873133. The reversal of 2565873119 is 9113785652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2565873119 is a prime.

It is a super-2 number, since 2×2565873119² = 13167409725613576322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2565873113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282936559 + 1282936560.

It is an arithmetic number, because the mean of its divisors is an integer number (1282936560).

Almost surely, 2^2565873119 is an apocalyptic number.

2565873119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565873119 is an equidigital number, since it uses as much as digits as its factorization.

2565873119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 47.

The square root of 2565873119 is about 50654.4481659804. The cubic root of 2565873119 is about 1369.0260929564.

The spelling of 2565873119 in words is "two billion, five hundred sixty-five million, eight hundred seventy-three thousand, one hundred nineteen".