543322115641 has 4 divisors (see below), whose sum is σ = 543351802612. Its totient is φ = 543292428672.

The previous prime is 543322115551. The next prime is 543322115653. The reversal of 543322115641 is 146511223345.

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 171709955641 + 371612160000 = 414379^2 + 609600^2 .

It is a cyclic number.

It is not a de Polignac number, because 543322115641 - 2⁹ = 543322115129 is a prime.

It is a super-2 number, since 2×543322115641² (a number of 24 digits) contains 22 as substring.

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 543322115641.

It is not an unprimeable number, because it can be changed into a prime (543322115671) 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, 14816016 + ... + 14852641.

It is an arithmetic number, because the mean of its divisors is an integer number (135837950653).

Almost surely, 2^543322115641 is an apocalyptic number.

It is an amenable number.

543322115641 is a deficient number, since it is larger than the sum of its proper divisors (29686971).

543322115641 is a wasteful number, since it uses less digits than its factorization.

543322115641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29686970.

The product of its digits is 86400, while the sum is 37.

Adding to 543322115641 its reverse (146511223345), we get a palindrome (689833338986).

The spelling of 543322115641 in words is "five hundred forty-three billion, three hundred twenty-two million, one hundred fifteen thousand, six hundred forty-one".