444003221243 has 2 divisors, whose sum is σ = 444003221244. Its totient is φ = 444003221242.

The previous prime is 444003221237. The next prime is 444003221327. The reversal of 444003221243 is 342122300444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444003221243 - 2²⁶ = 443936112379 is a prime.

It is not a weakly prime, because it can be changed into another prime (444003221443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222001610621 + 222001610622.

It is an arithmetic number, because the mean of its divisors is an integer number (222001610622).

Almost surely, 2^444003221243 is an apocalyptic number.

444003221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

444003221243 is an equidigital number, since it uses as much as digits as its factorization.

444003221243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 444003221243 its reverse (342122300444), we get a palindrome (786125521687).

The spelling of 444003221243 in words is "four hundred forty-four billion, three million, two hundred twenty-one thousand, two hundred forty-three".