444220411309 has 2 divisors, whose sum is σ = 444220411310. Its totient is φ = 444220411308.

The previous prime is 444220411301. The next prime is 444220411357. The reversal of 444220411309 is 903114022444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336359401225 + 107861010084 = 579965^2 + 328422^2 .

It is a cyclic number.

It is not a de Polignac number, because 444220411309 - 2³ = 444220411301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444220411301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222110205654 + 222110205655.

It is an arithmetic number, because the mean of its divisors is an integer number (222110205655).

Almost surely, 2^444220411309 is an apocalyptic number.

It is an amenable number.

444220411309 is a deficient number, since it is larger than the sum of its proper divisors (1).

444220411309 is an equidigital number, since it uses as much as digits as its factorization.

444220411309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 444220411309 in words is "four hundred forty-four billion, two hundred twenty million, four hundred eleven thousand, three hundred nine".