4243434424243 has 4 divisors (see below), whose sum is σ = 4849639342000. Its totient is φ = 3637229506488.

The previous prime is 4243434424193. The next prime is 4243434424259. The reversal of 4243434424243 is 3424244343424.

4243434424243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4243434424243 - 2⁹ = 4243434423731 is a prime.

It is a super-2 number, since 2×4243434424243² (a number of 26 digits) contains 22 as substring.

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 4243434424243.

It is not an unprimeable number, because it can be changed into a prime (4243434428243) 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, 303102458868 + ... + 303102458881.

It is an arithmetic number, because the mean of its divisors is an integer number (1212409835500).

Almost surely, 2^{4243434424243} is an apocalyptic number.

4243434424243 is a deficient number, since it is larger than the sum of its proper divisors (606204917757).

4243434424243 is an equidigital number, since it uses as much as digits as its factorization.

4243434424243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606204917756.

The product of its digits is 3538944, while the sum is 43.

Adding to 4243434424243 its reverse (3424244343424), we get a palindrome (7667678767667).

The spelling of 4243434424243 in words is "four trillion, two hundred forty-three billion, four hundred thirty-four million, four hundred twenty-four thousand, two hundred forty-three".