424423244429 has 2 divisors, whose sum is σ = 424423244430. Its totient is φ = 424423244428.

The previous prime is 424423244359. The next prime is 424423244503. The reversal of 424423244429 is 924442324424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268811140900 + 155612103529 = 518470^2 + 394477^2 .

It is a cyclic number.

It is not a de Polignac number, because 424423244429 - 2³² = 420128277133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424423244429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424423244629) 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, 212211622214 + 212211622215.

It is an arithmetic number, because the mean of its divisors is an integer number (212211622215).

Almost surely, 2^424423244429 is an apocalyptic number.

It is an amenable number.

424423244429 is a deficient number, since it is larger than the sum of its proper divisors (1).

424423244429 is an equidigital number, since it uses as much as digits as its factorization.

424423244429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1769472, while the sum is 44.

The spelling of 424423244429 in words is "four hundred twenty-four billion, four hundred twenty-three million, two hundred forty-four thousand, four hundred twenty-nine".