4343324421 has 4 divisors (see below), whose sum is σ = 5791099232. Its totient is φ = 2895549612.

The previous prime is 4343324383. The next prime is 4343324423. The reversal of 4343324421 is 1244233434.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-4343324421 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 (4343324423) 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, 723887401 + ... + 723887406.

It is an arithmetic number, because the mean of its divisors is an integer number (1447774808).

Almost surely, 2^4343324421 is an apocalyptic number.

It is an amenable number.

4343324421 is a deficient number, since it is larger than the sum of its proper divisors (1447774811).

4343324421 is a wasteful number, since it uses less digits than its factorization.

4343324421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447774810.

The product of its digits is 27648, while the sum is 30.

The square root of 4343324421 is about 65903.9029269132. The cubic root of 4343324421 is about 1631.5764317766.

Adding to 4343324421 its reverse (1244233434), we get a palindrome (5587557855).

The spelling of 4343324421 in words is "four billion, three hundred forty-three million, three hundred twenty-four thousand, four hundred twenty-one".