424441439 has 2 divisors, whose sum is σ = 424441440. Its totient is φ = 424441438.

The previous prime is 424441427. The next prime is 424441453. The reversal of 424441439 is 934144424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424441439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424441399 and 424441408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424441469) 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, 212220719 + 212220720.

It is an arithmetic number, because the mean of its divisors is an integer number (212220720).

Almost surely, 2^424441439 is an apocalyptic number.

424441439 is a deficient number, since it is larger than the sum of its proper divisors (1).

424441439 is an equidigital number, since it uses as much as digits as its factorization.

424441439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

The square root of 424441439 is about 20601.9765799304. The cubic root of 424441439 is about 751.5177791308.

The spelling of 424441439 in words is "four hundred twenty-four million, four hundred forty-one thousand, four hundred thirty-nine".