424424244221013 has 4 divisors (see below), whose sum is σ = 565898992294688. Its totient is φ = 282949496147340.

The previous prime is 424424244220913. The next prime is 424424244221023. The reversal of 424424244221013 is 310122442424424.

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 not a de Polignac number, because 424424244221013 - 2²⁶ = 424424177112149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424424244221023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70737374036833 + ... + 70737374036838.

It is an arithmetic number, because the mean of its divisors is an integer number (141474748073672).

Almost surely, 2^{424424244221013} is an apocalyptic number.

It is an amenable number.

424424244221013 is a deficient number, since it is larger than the sum of its proper divisors (141474748073675).

424424244221013 is a wasteful number, since it uses less digits than its factorization.

424424244221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141474748073674.

The product of its (nonzero) digits is 393216, while the sum is 39.

Adding to 424424244221013 its reverse (310122442424424), we get a palindrome (734546686645437).

The spelling of 424424244221013 in words is "four hundred twenty-four trillion, four hundred twenty-four billion, two hundred forty-four million, two hundred twenty-one thousand, thirteen".