439422043 has 2 divisors, whose sum is σ = 439422044. Its totient is φ = 439422042.

The previous prime is 439422041. The next prime is 439422047. The reversal of 439422043 is 340224934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 439422043 - 2¹ = 439422041 is a prime.

Together with 439422041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 439421996 and 439422014.

It is not a weakly prime, because it can be changed into another prime (439422041) 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, 219711021 + 219711022.

It is an arithmetic number, because the mean of its divisors is an integer number (219711022).

Almost surely, 2^439422043 is an apocalyptic number.

439422043 is a deficient number, since it is larger than the sum of its proper divisors (1).

439422043 is an equidigital number, since it uses as much as digits as its factorization.

439422043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 439422043 is about 20962.3959269927. The cubic root of 439422043 is about 760.2573245675.

Adding to 439422043 its reverse (340224934), we get a palindrome (779646977).

The spelling of 439422043 in words is "four hundred thirty-nine million, four hundred twenty-two thousand, forty-three".