25323761269 has 2 divisors, whose sum is σ = 25323761270. Its totient is φ = 25323761268.

The previous prime is 25323761261. The next prime is 25323761293. The reversal of 25323761269 is 96216732352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21239273169 + 4084488100 = 145737^2 + 63910^2 .

It is a cyclic number.

It is not a de Polignac number, because 25323761269 - 2³ = 25323761261 is a prime.

It is a super-2 number, since 2×25323761269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25323761261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661880634 + 12661880635.

It is an arithmetic number, because the mean of its divisors is an integer number (12661880635).

Almost surely, 2^25323761269 is an apocalyptic number.

It is an amenable number.

25323761269 is a deficient number, since it is larger than the sum of its proper divisors (1).

25323761269 is an equidigital number, since it uses as much as digits as its factorization.

25323761269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 46.

The spelling of 25323761269 in words is "twenty-five billion, three hundred twenty-three million, seven hundred sixty-one thousand, two hundred sixty-nine".