444243329 has 2 divisors, whose sum is σ = 444243330. Its totient is φ = 444243328.

The previous prime is 444243311. The next prime is 444243353. The reversal of 444243329 is 923342444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418284304 + 25959025 = 20452^2 + 5095^2 .

It is a cyclic number.

It is not a de Polignac number, because 444243329 - 2⁸ = 444243073 is a prime.

It is a super-2 number, since 2×444243329² = 394704270722004482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (444243029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222121664 + 222121665.

It is an arithmetic number, because the mean of its divisors is an integer number (222121665).

Almost surely, 2^444243329 is an apocalyptic number.

It is an amenable number.

444243329 is a deficient number, since it is larger than the sum of its proper divisors (1).

444243329 is an equidigital number, since it uses as much as digits as its factorization.

444243329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 35.

The square root of 444243329 is about 21077.0806564856. The cubic root of 444243329 is about 763.0277011449.

The spelling of 444243329 in words is "four hundred forty-four million, two hundred forty-three thousand, three hundred twenty-nine".