444334643 has 2 divisors, whose sum is σ = 444334644. Its totient is φ = 444334642.

The previous prime is 444334619. The next prime is 444334651. The reversal of 444334643 is 346433444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444334643 - 2¹⁶ = 444269107 is a prime.

It is not a weakly prime, because it can be changed into another prime (444334613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222167321 + 222167322.

It is an arithmetic number, because the mean of its divisors is an integer number (222167322).

Almost surely, 2^444334643 is an apocalyptic number.

444334643 is a deficient number, since it is larger than the sum of its proper divisors (1).

444334643 is an equidigital number, since it uses as much as digits as its factorization.

444334643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 35.

The square root of 444334643 is about 21079.2467370160. The cubic root of 444334643 is about 763.0799775541.

The spelling of 444334643 in words is "four hundred forty-four million, three hundred thirty-four thousand, six hundred forty-three".