4243424333 has 4 divisors (see below), whose sum is σ = 4389749340. Its totient is φ = 4097099328.

The previous prime is 4243424329. The next prime is 4243424369. The reversal of 4243424333 is 3334243424.

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 2086936489 + 2156487844 = 45683^2 + 46438^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243424333 - 2² = 4243424329 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 4243424333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4246424333) 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, 73162460 + ... + 73162517.

It is an arithmetic number, because the mean of its divisors is an integer number (1097437335).

Almost surely, 2^4243424333 is an apocalyptic number.

It is an amenable number.

4243424333 is a deficient number, since it is larger than the sum of its proper divisors (146325007).

4243424333 is a wasteful number, since it uses less digits than its factorization.

4243424333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146325006.

The product of its digits is 82944, while the sum is 32.

The square root of 4243424333 is about 65141.5714655396. The cubic root of 4243424333 is about 1618.9700730134.

Adding to 4243424333 its reverse (3334243424), we get a palindrome (7577667757).

The spelling of 4243424333 in words is "four billion, two hundred forty-three million, four hundred twenty-four thousand, three hundred thirty-three".