324443144021 has 4 divisors (see below), whose sum is σ = 324751844544. Its totient is φ = 324134443500.

The previous prime is 324443143979. The next prime is 324443144027. The reversal of 324443144021 is 120441344423.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120441344423 = 103 ⋅1169333441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324443144021 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 (324443144027) 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, 154348685 + ... + 154350786.

It is an arithmetic number, because the mean of its divisors is an integer number (81187961136).

Almost surely, 2^324443144021 is an apocalyptic number.

It is an amenable number.

324443144021 is a deficient number, since it is larger than the sum of its proper divisors (308700523).

324443144021 is a wasteful number, since it uses less digits than its factorization.

324443144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308700522.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 324443144021 its reverse (120441344423), we get a palindrome (444884488444).

The spelling of 324443144021 in words is "three hundred twenty-four billion, four hundred forty-three million, one hundred forty-four thousand, twenty-one".