25269131189 has 2 divisors, whose sum is σ = 25269131190. Its totient is φ = 25269131188.

The previous prime is 25269131141. The next prime is 25269131197. The reversal of 25269131189 is 98113196252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17342256100 + 7926875089 = 131690^2 + 89033^2 .

It is a cyclic number.

It is not a de Polignac number, because 25269131189 - 2⁸ = 25269130933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25269031189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12634565594 + 12634565595.

It is an arithmetic number, because the mean of its divisors is an integer number (12634565595).

Almost surely, 2^25269131189 is an apocalyptic number.

It is an amenable number.

25269131189 is a deficient number, since it is larger than the sum of its proper divisors (1).

25269131189 is an equidigital number, since it uses as much as digits as its factorization.

25269131189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 47.

The spelling of 25269131189 in words is "twenty-five billion, two hundred sixty-nine million, one hundred thirty-one thousand, one hundred eighty-nine".