543420223334213 has 4 divisors (see below), whose sum is σ = 543421080027948. Its totient is φ = 543419366640480.

The previous prime is 543420223334167. The next prime is 543420223334251. The reversal of 543420223334213 is 312433322024345.

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 202904726158369 + 340515497175844 = 14244463^2 + 18453062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543420223334213 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 (543420223334713) 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, 427394678 + ... + 428664263.

It is an arithmetic number, because the mean of its divisors is an integer number (135855270006987).

Almost surely, 2^{543420223334213} is an apocalyptic number.

It is an amenable number.

543420223334213 is a deficient number, since it is larger than the sum of its proper divisors (856693735).

543420223334213 is an equidigital number, since it uses as much as digits as its factorization.

543420223334213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856693734.

The product of its (nonzero) digits is 1244160, while the sum is 41.

Adding to 543420223334213 its reverse (312433322024345), we get a palindrome (855853545358558).

The spelling of 543420223334213 in words is "five hundred forty-three trillion, four hundred twenty billion, two hundred twenty-three million, three hundred thirty-four thousand, two hundred thirteen".