424434443 has 2 divisors, whose sum is σ = 424434444. Its totient is φ = 424434442.

The previous prime is 424434389. The next prime is 424434463. The reversal of 424434443 is 344434424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424434443 - 2⁸ = 424434187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (424434463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212217221 + 212217222.

It is an arithmetic number, because the mean of its divisors is an integer number (212217222).

Almost surely, 2^424434443 is an apocalyptic number.

424434443 is a deficient number, since it is larger than the sum of its proper divisors (1).

424434443 is an equidigital number, since it uses as much as digits as its factorization.

424434443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 32.

The square root of 424434443 is about 20601.8067896969. The cubic root of 424434443 is about 751.5136500592.

Adding to 424434443 its reverse (344434424), we get a palindrome (768868867).

The spelling of 424434443 in words is "four hundred twenty-four million, four hundred thirty-four thousand, four hundred forty-three".