25489080413 has 2 divisors, whose sum is σ = 25489080414. Its totient is φ = 25489080412.

The previous prime is 25489080391. The next prime is 25489080427. The reversal of 25489080413 is 31408098452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25489080409 + 4 = 159653^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 25489080413 - 2²⁰ = 25488031837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25489080473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12744540206 + 12744540207.

It is an arithmetic number, because the mean of its divisors is an integer number (12744540207).

Almost surely, 2^25489080413 is an apocalyptic number.

It is an amenable number.

25489080413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25489080413 is an equidigital number, since it uses as much as digits as its factorization.

25489080413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 25489080413 in words is "twenty-five billion, four hundred eighty-nine million, eighty thousand, four hundred thirteen".