12450641447 has 2 divisors, whose sum is σ = 12450641448. Its totient is φ = 12450641446.

The previous prime is 12450641431. The next prime is 12450641453. The reversal of 12450641447 is 74414605421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12450641447 - 2⁴ = 12450641431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12450641447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12450641647) 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, 6225320723 + 6225320724.

It is an arithmetic number, because the mean of its divisors is an integer number (6225320724).

Almost surely, 2^12450641447 is an apocalyptic number.

12450641447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450641447 is an equidigital number, since it uses as much as digits as its factorization.

12450641447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 12450641447 in words is "twelve billion, four hundred fifty million, six hundred forty-one thousand, four hundred forty-seven".