444916999 has 2 divisors, whose sum is σ = 444917000. Its totient is φ = 444916998.

The previous prime is 444916973. The next prime is 444917023. The reversal of 444916999 is 999619444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444916999 is a prime.

It is a super-2 number, since 2×444916999² = 395902271998332002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441916999) 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, 222458499 + 222458500.

It is an arithmetic number, because the mean of its divisors is an integer number (222458500).

Almost surely, 2^444916999 is an apocalyptic number.

444916999 is a deficient number, since it is larger than the sum of its proper divisors (1).

444916999 is an equidigital number, since it uses as much as digits as its factorization.

444916999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 55.

The square root of 444916999 is about 21093.0557056108. The cubic root of 444916999 is about 763.4132025317.

The spelling of 444916999 in words is "four hundred forty-four million, nine hundred sixteen thousand, nine hundred ninety-nine".