441345439 has 2 divisors, whose sum is σ = 441345440. Its totient is φ = 441345438.

The previous prime is 441345409. The next prime is 441345467. The reversal of 441345439 is 934543144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 441345439 - 2⁵ = 441345407 is a prime.

It is a super-2 number, since 2×441345439² = 389571593052205442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 441345398 and 441345407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441345409) 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, 220672719 + 220672720.

It is an arithmetic number, because the mean of its divisors is an integer number (220672720).

Almost surely, 2^441345439 is an apocalyptic number.

441345439 is a deficient number, since it is larger than the sum of its proper divisors (1).

441345439 is an equidigital number, since it uses as much as digits as its factorization.

441345439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 441345439 is about 21008.2231280991. The cubic root of 441345439 is about 761.3649518718.

The spelling of 441345439 in words is "four hundred forty-one million, three hundred forty-five thousand, four hundred thirty-nine".