25907989313 has 2 divisors, whose sum is σ = 25907989314. Its totient is φ = 25907989312.

The previous prime is 25907989241. The next prime is 25907989351. The reversal of 25907989313 is 31398970952.

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., 25121299009 + 786690304 = 158497^2 + 28048^2 .

It is a cyclic number.

It is not a de Polignac number, because 25907989313 - 2³⁴ = 8728120129 is a prime.

It is not a weakly prime, because it can be changed into another prime (25907989363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12953994656 + 12953994657.

It is an arithmetic number, because the mean of its divisors is an integer number (12953994657).

Almost surely, 2^25907989313 is an apocalyptic number.

It is an amenable number.

25907989313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25907989313 is an equidigital number, since it uses as much as digits as its factorization.

25907989313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The spelling of 25907989313 in words is "twenty-five billion, nine hundred seven million, nine hundred eighty-nine thousand, three hundred thirteen".