444441311 has 2 divisors, whose sum is σ = 444441312. Its totient is φ = 444441310.

The previous prime is 444441307. The next prime is 444441323. The reversal of 444441311 is 113144444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444441311 - 2² = 444441307 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444441391) 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, 222220655 + 222220656.

It is an arithmetic number, because the mean of its divisors is an integer number (222220656).

Almost surely, 2^444441311 is an apocalyptic number.

444441311 is a deficient number, since it is larger than the sum of its proper divisors (1).

444441311 is an equidigital number, since it uses as much as digits as its factorization.

444441311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 26.

The square root of 444441311 is about 21081.7767514980. The cubic root of 444441311 is about 763.1410349154.

Adding to 444441311 its reverse (113144444), we get a palindrome (557585755).

The spelling of 444441311 in words is "four hundred forty-four million, four hundred forty-one thousand, three hundred eleven".