444344311 has 2 divisors, whose sum is σ = 444344312. Its totient is φ = 444344310.

The previous prime is 444344261. The next prime is 444344323. The reversal of 444344311 is 113443444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444344311 - 2¹³ = 444336119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444344311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444344371) 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, 222172155 + 222172156.

It is an arithmetic number, because the mean of its divisors is an integer number (222172156).

Almost surely, 2^444344311 is an apocalyptic number.

444344311 is a deficient number, since it is larger than the sum of its proper divisors (1).

444344311 is an equidigital number, since it uses as much as digits as its factorization.

444344311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 28.

The square root of 444344311 is about 21079.4760608512. The cubic root of 444344311 is about 763.0855119742.

Adding to 444344311 its reverse (113443444), we get a palindrome (557787755).

The spelling of 444344311 in words is "four hundred forty-four million, three hundred forty-four thousand, three hundred eleven".