25126650629 has 2 divisors, whose sum is σ = 25126650630. Its totient is φ = 25126650628.

The previous prime is 25126650623. The next prime is 25126650713. The reversal of 25126650629 is 92605662152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20306820004 + 4819830625 = 142502^2 + 69425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25126650629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25126650629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25126650623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12563325314 + 12563325315.

It is an arithmetic number, because the mean of its divisors is an integer number (12563325315).

Almost surely, 2^25126650629 is an apocalyptic number.

It is an amenable number.

25126650629 is a deficient number, since it is larger than the sum of its proper divisors (1).

25126650629 is an equidigital number, since it uses as much as digits as its factorization.

25126650629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 25126650629 in words is "twenty-five billion, one hundred twenty-six million, six hundred fifty thousand, six hundred twenty-nine".