25159769413 has 2 divisors, whose sum is σ = 25159769414. Its totient is φ = 25159769412.

The previous prime is 25159769311. The next prime is 25159769441. The reversal of 25159769413 is 31496795152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19425948129 + 5733821284 = 139377^2 + 75722^2 .

It is a cyclic number.

It is not a de Polignac number, because 25159769413 - 2³³ = 16569834821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25159769473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12579884706 + 12579884707.

It is an arithmetic number, because the mean of its divisors is an integer number (12579884707).

Almost surely, 2^25159769413 is an apocalyptic number.

It is an amenable number.

25159769413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25159769413 is an equidigital number, since it uses as much as digits as its factorization.

25159769413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 52.

The spelling of 25159769413 in words is "twenty-five billion, one hundred fifty-nine million, seven hundred sixty-nine thousand, four hundred thirteen".