6843522243 has 4 divisors (see below), whose sum is σ = 9124696328. Its totient is φ = 4562348160.

The previous prime is 6843522223. The next prime is 6843522251. The reversal of 6843522243 is 3422253486.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6843522243 - 2⁹ = 6843521731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6843522223) 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, 1140587038 + ... + 1140587043.

It is an arithmetic number, because the mean of its divisors is an integer number (2281174082).

Almost surely, 2^6843522243 is an apocalyptic number.

6843522243 is a deficient number, since it is larger than the sum of its proper divisors (2281174085).

6843522243 is a wasteful number, since it uses less digits than its factorization.

6843522243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281174084.

The product of its digits is 276480, while the sum is 39.

The square root of 6843522243 is about 82725.5839689270. The cubic root of 6843522243 is about 1898.5697678866.

The spelling of 6843522243 in words is "six billion, eight hundred forty-three million, five hundred twenty-two thousand, two hundred forty-three".