543322159321 has 4 divisors (see below), whose sum is σ = 554882205312. Its totient is φ = 531762113332.

The previous prime is 543322159301. The next prime is 543322159327. The reversal of 543322159321 is 123951223345.

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 cyclic number.

It is not a de Polignac number, because 543322159321 - 2⁹ = 543322158809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543322159327) 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, 5780022925 + ... + 5780023018.

It is an arithmetic number, because the mean of its divisors is an integer number (138720551328).

Almost surely, 2^543322159321 is an apocalyptic number.

It is an amenable number.

543322159321 is a deficient number, since it is larger than the sum of its proper divisors (11560045991).

543322159321 is a wasteful number, since it uses less digits than its factorization.

543322159321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11560045990.

The product of its digits is 194400, while the sum is 40.

The spelling of 543322159321 in words is "five hundred forty-three billion, three hundred twenty-two million, one hundred fifty-nine thousand, three hundred twenty-one".