444324169 has 2 divisors, whose sum is σ = 444324170. Its totient is φ = 444324168.

The previous prime is 444324163. The next prime is 444324187. The reversal of 444324169 is 961423444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354832569 + 89491600 = 18837^2 + 9460^2 .

It is a cyclic number.

It is not a de Polignac number, because 444324169 - 2³ = 444324161 is a prime.

It is a super-2 number, since 2×444324169² = 394847934315081122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (444324161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222162084 + 222162085.

It is an arithmetic number, because the mean of its divisors is an integer number (222162085).

Almost surely, 2^444324169 is an apocalyptic number.

It is an amenable number.

444324169 is a deficient number, since it is larger than the sum of its proper divisors (1).

444324169 is an equidigital number, since it uses as much as digits as its factorization.

444324169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 444324169 is about 21078.9982921390. The cubic root of 444324169 is about 763.0739816509.

The spelling of 444324169 in words is "four hundred forty-four million, three hundred twenty-four thousand, one hundred sixty-nine".