424042121443 has 2 divisors, whose sum is σ = 424042121444. Its totient is φ = 424042121442.

The previous prime is 424042121423. The next prime is 424042121453. The reversal of 424042121443 is 344121240424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424042121443 - 2⁵ = 424042121411 is a prime.

It is not a weakly prime, because it can be changed into another prime (424042121413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212021060721 + 212021060722.

It is an arithmetic number, because the mean of its divisors is an integer number (212021060722).

Almost surely, 2^424042121443 is an apocalyptic number.

424042121443 is a deficient number, since it is larger than the sum of its proper divisors (1).

424042121443 is an equidigital number, since it uses as much as digits as its factorization.

424042121443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 424042121443 its reverse (344121240424), we get a palindrome (768163361867).

The spelling of 424042121443 in words is "four hundred twenty-four billion, forty-two million, one hundred twenty-one thousand, four hundred forty-three".