424144323943 has 2 divisors, whose sum is σ = 424144323944. Its totient is φ = 424144323942.

The previous prime is 424144323937. The next prime is 424144324013. The reversal of 424144323943 is 349323441424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424144323943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424144323943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424144323913) 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, 212072161971 + 212072161972.

It is an arithmetic number, because the mean of its divisors is an integer number (212072161972).

Almost surely, 2^424144323943 is an apocalyptic number.

424144323943 is a deficient number, since it is larger than the sum of its proper divisors (1).

424144323943 is an equidigital number, since it uses as much as digits as its factorization.

424144323943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 43.

The spelling of 424144323943 in words is "four hundred twenty-four billion, one hundred forty-four million, three hundred twenty-three thousand, nine hundred forty-three".