424043220013 has 4 divisors (see below), whose sum is σ = 484620822880. Its totient is φ = 363465617148.

The previous prime is 424043219983. The next prime is 424043220031. The reversal of 424043220013 is 310022340424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424043220013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424043220013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424043220113) 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 in 3 ways as a sum of consecutive naturals, for example, 30288801423 + ... + 30288801436.

It is an arithmetic number, because the mean of its divisors is an integer number (121155205720).

Almost surely, 2^424043220013 is an apocalyptic number.

It is an amenable number.

424043220013 is a deficient number, since it is larger than the sum of its proper divisors (60577602867).

424043220013 is an equidigital number, since it uses as much as digits as its factorization.

424043220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60577602866.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 424043220013 its reverse (310022340424), we get a palindrome (734065560437).

The spelling of 424043220013 in words is "four hundred twenty-four billion, forty-three million, two hundred twenty thousand, thirteen".