444044223422321 has 2 divisors, whose sum is σ = 444044223422322. Its totient is φ = 444044223422320.

The previous prime is 444044223422311. The next prime is 444044223422377. The reversal of 444044223422321 is 123224322440444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438248475328225 + 5795748094096 = 20934385^2 + 2407436^2 .

It is a cyclic number.

It is not a de Polignac number, because 444044223422321 - 2¹⁰ = 444044223421297 is a prime.

It is not a weakly prime, because it can be changed into another prime (444044223422311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222022111711160 + 222022111711161.

It is an arithmetic number, because the mean of its divisors is an integer number (222022111711161).

Almost surely, 2^{444044223422321} is an apocalyptic number.

It is an amenable number.

444044223422321 is a deficient number, since it is larger than the sum of its proper divisors (1).

444044223422321 is an equidigital number, since it uses as much as digits as its factorization.

444044223422321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1179648, while the sum is 41.

Adding to 444044223422321 its reverse (123224322440444), we get a palindrome (567268545862765).

The spelling of 444044223422321 in words is "four hundred forty-four trillion, forty-four billion, two hundred twenty-three million, four hundred twenty-two thousand, three hundred twenty-one".