843364213 has 2 divisors, whose sum is σ = 843364214. Its totient is φ = 843364212.

The previous prime is 843364187. The next prime is 843364243. The reversal of 843364213 is 312463348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 838797444 + 4566769 = 28962^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 843364213 - 2¹⁷ = 843233141 is a prime.

It is a super-2 number, since 2×843364213² = 1422526391538218738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (843364243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421682106 + 421682107.

It is an arithmetic number, because the mean of its divisors is an integer number (421682107).

Almost surely, 2^843364213 is an apocalyptic number.

It is an amenable number.

843364213 is a deficient number, since it is larger than the sum of its proper divisors (1).

843364213 is an equidigital number, since it uses as much as digits as its factorization.

843364213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 843364213 is about 29040.7336856354. The cubic root of 843364213 is about 944.7967473437.

The spelling of 843364213 in words is "eight hundred forty-three million, three hundred sixty-four thousand, two hundred thirteen".