543244321401 has 4 divisors (see below), whose sum is σ = 724325761872. Its totient is φ = 362162880932.

The previous prime is 543244321397. The next prime is 543244321447. The reversal of 543244321401 is 104123442345.

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 543244321401 - 2² = 543244321397 is a prime.

It is a super-2 number, since 2×543244321401² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (543244320401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90540720231 + ... + 90540720236.

It is an arithmetic number, because the mean of its divisors is an integer number (181081440468).

Almost surely, 2^543244321401 is an apocalyptic number.

It is an amenable number.

543244321401 is a deficient number, since it is larger than the sum of its proper divisors (181081440471).

543244321401 is a wasteful number, since it uses less digits than its factorization.

543244321401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181081440470.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 543244321401 its reverse (104123442345), we get a palindrome (647367763746).

The spelling of 543244321401 in words is "five hundred forty-three billion, two hundred forty-four million, three hundred twenty-one thousand, four hundred one".