441242239 has 2 divisors, whose sum is σ = 441242240. Its totient is φ = 441242238.

The previous prime is 441242237. The next prime is 441242267. The reversal of 441242239 is 932242144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441242239 - 2¹ = 441242237 is a prime.

Together with 441242237, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 441242239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441242237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220621119 + 220621120.

It is an arithmetic number, because the mean of its divisors is an integer number (220621120).

Almost surely, 2^441242239 is an apocalyptic number.

441242239 is a deficient number, since it is larger than the sum of its proper divisors (1).

441242239 is an equidigital number, since it uses as much as digits as its factorization.

441242239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 441242239 is about 21005.7668034281. The cubic root of 441242239 is about 761.3056038109.

The spelling of 441242239 in words is "four hundred forty-one million, two hundred forty-two thousand, two hundred thirty-nine".