424641443 has 2 divisors, whose sum is σ = 424641444. Its totient is φ = 424641442.

The previous prime is 424641439. The next prime is 424641491. The reversal of 424641443 is 344146424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424641443 - 2² = 424641439 is a prime.

It is a super-2 number, since 2×424641443² = 360640710226244498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424641043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212320721 + 212320722.

It is an arithmetic number, because the mean of its divisors is an integer number (212320722).

Almost surely, 2^424641443 is an apocalyptic number.

424641443 is a deficient number, since it is larger than the sum of its proper divisors (1).

424641443 is an equidigital number, since it uses as much as digits as its factorization.

424641443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 32.

The square root of 424641443 is about 20606.8300085190. The cubic root of 424641443 is about 751.6358032328.

Adding to 424641443 its reverse (344146424), we get a palindrome (768787867).

The spelling of 424641443 in words is "four hundred twenty-four million, six hundred forty-one thousand, four hundred forty-three".