424431221124213 has 12 divisors (see below), whose sum is σ = 645334020423040. Its totient is φ = 268061823867816.

The previous prime is 424431221124133. The next prime is 424431221124247. The reversal of 424431221124213 is 312421122134424.

424431221124213 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 3 + 1 + 221 + 1 + 2 + 421 + 3 = 666.

It is not a de Polignac number, because 424431221124213 - 2⁸ = 424431221123957 is a prime.

It is a super-2 number, since 2×424431221124213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424431221124263) 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 11 ways as a sum of consecutive naturals, for example, 1241026962181 + ... + 1241026962522.

Almost surely, 2^{424431221124213} is an apocalyptic number.

It is an amenable number.

424431221124213 is a deficient number, since it is larger than the sum of its proper divisors (220902799298827).

424431221124213 is a wasteful number, since it uses less digits than its factorization.

424431221124213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482053924728 (or 2482053924725 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

Adding to 424431221124213 its reverse (312421122134424), we get a palindrome (736852343258637).

The spelling of 424431221124213 in words is "four hundred twenty-four trillion, four hundred thirty-one billion, two hundred twenty-one million, one hundred twenty-four thousand, two hundred thirteen".