12444031441 has 2 divisors, whose sum is σ = 12444031442. Its totient is φ = 12444031440.

The previous prime is 12444031393. The next prime is 12444031451. The reversal of 12444031441 is 14413044421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6253646400 + 6190385041 = 79080^2 + 78679^2 .

It is an emirp because it is prime and its reverse (14413044421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12444031441 - 2¹⁵ = 12443998673 is a prime.

It is not a weakly prime, because it can be changed into another prime (12444031451) 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, 6222015720 + 6222015721.

It is an arithmetic number, because the mean of its divisors is an integer number (6222015721).

Almost surely, 2^12444031441 is an apocalyptic number.

It is an amenable number.

12444031441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12444031441 is an equidigital number, since it uses as much as digits as its factorization.

12444031441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12444031441 its reverse (14413044421), we get a palindrome (26857075862).

The spelling of 12444031441 in words is "twelve billion, four hundred forty-four million, thirty-one thousand, four hundred forty-one".