25104972929 has 2 divisors, whose sum is σ = 25104972930. Its totient is φ = 25104972928.

The previous prime is 25104972923. The next prime is 25104972979. The reversal of 25104972929 is 92927940152.

It is an a-pointer prime, because the next prime (25104972979) can be obtained adding 25104972929 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25098480625 + 6492304 = 158425^2 + 2548^2 .

It is a cyclic number.

It is not a de Polignac number, because 25104972929 - 2²⁰ = 25103924353 is a prime.

It is not a weakly prime, because it can be changed into another prime (25104972923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12552486464 + 12552486465.

It is an arithmetic number, because the mean of its divisors is an integer number (12552486465).

Almost surely, 2^25104972929 is an apocalyptic number.

It is an amenable number.

25104972929 is a deficient number, since it is larger than the sum of its proper divisors (1).

25104972929 is an equidigital number, since it uses as much as digits as its factorization.

25104972929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 25104972929 in words is "twenty-five billion, one hundred four million, nine hundred seventy-two thousand, nine hundred twenty-nine".