4243244424413 has 4 divisors (see below), whose sum is σ = 4261455774108. Its totient is φ = 4225033074720.

The previous prime is 4243244424373. The next prime is 4243244424421. The reversal of 4243244424413 is 3144244423424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1259876043364 + 2983368381049 = 1122442^2 + 1727243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243244424413 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 (4243244424443) 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, 9105674498 + ... + 9105674963.

It is an arithmetic number, because the mean of its divisors is an integer number (1065363943527).

Almost surely, 2^{4243244424413} is an apocalyptic number.

It is an amenable number.

4243244424413 is a deficient number, since it is larger than the sum of its proper divisors (18211349695).

4243244424413 is a wasteful number, since it uses less digits than its factorization.

4243244424413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18211349694.

The product of its digits is 1179648, while the sum is 41.

Adding to 4243244424413 its reverse (3144244423424), we get a palindrome (7387488847837).

The spelling of 4243244424413 in words is "four trillion, two hundred forty-three billion, two hundred forty-four million, four hundred twenty-four thousand, four hundred thirteen".