12625064447 has 2 divisors, whose sum is σ = 12625064448. Its totient is φ = 12625064446.

The previous prime is 12625064393. The next prime is 12625064461. The reversal of 12625064447 is 74446052621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12625064447 - 2⁸ = 12625064191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12625064047) 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, 6312532223 + 6312532224.

It is an arithmetic number, because the mean of its divisors is an integer number (6312532224).

Almost surely, 2^12625064447 is an apocalyptic number.

12625064447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12625064447 is an equidigital number, since it uses as much as digits as its factorization.

12625064447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 12625064447 in words is "twelve billion, six hundred twenty-five million, sixty-four thousand, four hundred forty-seven".