4444411243169 has 2 divisors, whose sum is σ = 4444411243170. Its totient is φ = 4444411243168.

The previous prime is 4444411243117. The next prime is 4444411243171. The reversal of 4444411243169 is 9613421144444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3304353212944 + 1140058030225 = 1817788^2 + 1067735^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444411243169 - 2³² = 4440116275873 is a prime.

It is a super-2 number, since 2×4444411243169² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 4444411243171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4444411243369) 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, 2222205621584 + 2222205621585.

It is an arithmetic number, because the mean of its divisors is an integer number (2222205621585).

Almost surely, 2^{4444411243169} is an apocalyptic number.

It is an amenable number.

4444411243169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444411243169 is an equidigital number, since it uses as much as digits as its factorization.

4444411243169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 47.

The spelling of 4444411243169 in words is "four trillion, four hundred forty-four billion, four hundred eleven million, two hundred forty-three thousand, one hundred sixty-nine".