25014631489 has 2 divisors, whose sum is σ = 25014631490. Its totient is φ = 25014631488.

The previous prime is 25014631451. The next prime is 25014631493. The reversal of 25014631489 is 98413641052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24898315264 + 116316225 = 157792^2 + 10785^2 .

It is a cyclic number.

It is not a de Polignac number, because 25014631489 - 2⁷ = 25014631361 is a prime.

It is not a weakly prime, because it can be changed into another prime (25014631289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12507315744 + 12507315745.

It is an arithmetic number, because the mean of its divisors is an integer number (12507315745).

Almost surely, 2^25014631489 is an apocalyptic number.

It is an amenable number.

25014631489 is a deficient number, since it is larger than the sum of its proper divisors (1).

25014631489 is an equidigital number, since it uses as much as digits as its factorization.

25014631489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 25014631489 in words is "twenty-five billion, fourteen million, six hundred thirty-one thousand, four hundred eighty-nine".