444444443 has 2 divisors, whose sum is σ = 444444444. Its totient is φ = 444444442.

The previous prime is 444444437. The next prime is 444444457. The reversal of 444444443 is 344444444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444444443 - 2²⁰ = 443395867 is a prime.

It is a Sophie Germain prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (444444943) 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, 222222221 + 222222222.

It is an arithmetic number, because the mean of its divisors is an integer number (222222222).

Almost surely, 2^444444443 is an apocalyptic number.

444444443 is a deficient number, since it is larger than the sum of its proper divisors (1).

444444443 is an equidigital number, since it uses as much as digits as its factorization.

444444443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196608, while the sum is 35.

The square root of 444444443 is about 21081.8510335312. The cubic root of 444444443 is about 763.1428275421.

Adding to 444444443 its reverse (344444444), we get a palindrome (788888887).

Subtracting from 444444443 its reverse (344444444), we obtain a palindrome (99999999).

The spelling of 444444443 in words is "four hundred forty-four million, four hundred forty-four thousand, four hundred forty-three".