444437369 has 2 divisors, whose sum is σ = 444437370. Its totient is φ = 444437368.

The previous prime is 444437353. The next prime is 444437387. The reversal of 444437369 is 963734444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266081344 + 178356025 = 16312^2 + 13355^2 .

It is a cyclic number.

It is not a de Polignac number, because 444437369 - 2⁴ = 444437353 is a prime.

It is a super-2 number, since 2×444437369² = 395049149927284322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444437309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222218684 + 222218685.

It is an arithmetic number, because the mean of its divisors is an integer number (222218685).

Almost surely, 2^444437369 is an apocalyptic number.

It is an amenable number.

444437369 is a deficient number, since it is larger than the sum of its proper divisors (1).

444437369 is an equidigital number, since it uses as much as digits as its factorization.

444437369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 44.

The square root of 444437369 is about 21081.6832582221. The cubic root of 444437369 is about 763.1387786664.

The spelling of 444437369 in words is "four hundred forty-four million, four hundred thirty-seven thousand, three hundred sixty-nine".