12636530629 has 2 divisors, whose sum is σ = 12636530630. Its totient is φ = 12636530628.

The previous prime is 12636530623. The next prime is 12636530633. The reversal of 12636530629 is 92603563621.

12636530629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12350988225 + 285542404 = 111135^2 + 16898^2 .

It is a cyclic number.

It is not a de Polignac number, because 12636530629 - 2¹¹ = 12636528581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12636530623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318265314 + 6318265315.

It is an arithmetic number, because the mean of its divisors is an integer number (6318265315).

Almost surely, 2^12636530629 is an apocalyptic number.

It is an amenable number.

12636530629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12636530629 is an equidigital number, since it uses as much as digits as its factorization.

12636530629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 12636530629 in words is "twelve billion, six hundred thirty-six million, five hundred thirty thousand, six hundred twenty-nine".