441385369 has 2 divisors, whose sum is σ = 441385370. Its totient is φ = 441385368.

The previous prime is 441385361. The next prime is 441385397. The reversal of 441385369 is 963583144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433472400 + 7912969 = 20820^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 441385369 - 2³ = 441385361 is a prime.

It is a super-2 number, since 2×441385369² = 389642087934532322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (441385361) 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, 220692684 + 220692685.

It is an arithmetic number, because the mean of its divisors is an integer number (220692685).

Almost surely, 2^441385369 is an apocalyptic number.

It is an amenable number.

441385369 is a deficient number, since it is larger than the sum of its proper divisors (1).

441385369 is an equidigital number, since it uses as much as digits as its factorization.

441385369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 441385369 is about 21009.1734487580. The cubic root of 441385369 is about 761.3879122585.

The spelling of 441385369 in words is "four hundred forty-one million, three hundred eighty-five thousand, three hundred sixty-nine".