12655455629 has 2 divisors, whose sum is σ = 12655455630. Its totient is φ = 12655455628.

The previous prime is 12655455613. The next prime is 12655455643. The reversal of 12655455629 is 92655455621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7977169225 + 4678286404 = 89315^2 + 68398^2 .

It is an emirp because it is prime and its reverse (92655455621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12655455629 - 2⁴ = 12655455613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12655455649) 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, 6327727814 + 6327727815.

It is an arithmetic number, because the mean of its divisors is an integer number (6327727815).

Almost surely, 2^12655455629 is an apocalyptic number.

It is an amenable number.

12655455629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12655455629 is an equidigital number, since it uses as much as digits as its factorization.

12655455629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240000, while the sum is 50.

The spelling of 12655455629 in words is "twelve billion, six hundred fifty-five million, four hundred fifty-five thousand, six hundred twenty-nine".