25241596769 has 2 divisors, whose sum is σ = 25241596770. Its totient is φ = 25241596768.

The previous prime is 25241596747. The next prime is 25241596771. The reversal of 25241596769 is 96769514252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13341405025 + 11900191744 = 115505^2 + 109088^2 .

It is a cyclic number.

It is not a de Polignac number, because 25241596769 - 2²⁴ = 25224819553 is a prime.

It is a super-2 number, since 2×25241596769² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 25241596771, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25241596799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12620798384 + 12620798385.

It is an arithmetic number, because the mean of its divisors is an integer number (12620798385).

Almost surely, 2^25241596769 is an apocalyptic number.

It is an amenable number.

25241596769 is a deficient number, since it is larger than the sum of its proper divisors (1).

25241596769 is an equidigital number, since it uses as much as digits as its factorization.

25241596769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 56.

The spelling of 25241596769 in words is "twenty-five billion, two hundred forty-one million, five hundred ninety-six thousand, seven hundred sixty-nine".