25432235369 has 2 divisors, whose sum is σ = 25432235370. Its totient is φ = 25432235368.

The previous prime is 25432235363. The next prime is 25432235371. The reversal of 25432235369 is 96353223452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22706873344 + 2725362025 = 150688^2 + 52205^2 .

It is a cyclic number.

It is not a de Polignac number, because 25432235369 - 2¹² = 25432231273 is a prime.

It is a super-2 number, since 2×25432235369² (a number of 22 digits) contains 22 as substring.

Together with 25432235371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25432235363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716117684 + 12716117685.

It is an arithmetic number, because the mean of its divisors is an integer number (12716117685).

Almost surely, 2^25432235369 is an apocalyptic number.

It is an amenable number.

25432235369 is a deficient number, since it is larger than the sum of its proper divisors (1).

25432235369 is an equidigital number, since it uses as much as digits as its factorization.

25432235369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 44.

The spelling of 25432235369 in words is "twenty-five billion, four hundred thirty-two million, two hundred thirty-five thousand, three hundred sixty-nine".