6543796843 has 4 divisors (see below), whose sum is σ = 6769445040. Its totient is φ = 6318148648.

The previous prime is 6543796837. The next prime is 6543796867. The reversal of 6543796843 is 3486973456.

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

It is a cyclic number.

It is not a de Polignac number, because 6543796843 - 2⁹ = 6543796331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6543796543) 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, 112824055 + ... + 112824112.

It is an arithmetic number, because the mean of its divisors is an integer number (1692361260).

Almost surely, 2^6543796843 is an apocalyptic number.

6543796843 is a deficient number, since it is larger than the sum of its proper divisors (225648197).

6543796843 is a wasteful number, since it uses less digits than its factorization.

6543796843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225648196.

The product of its digits is 13063680, while the sum is 55.

The square root of 6543796843 is about 80893.7379714895. The cubic root of 6543796843 is about 1870.4377942065.

The spelling of 6543796843 in words is "six billion, five hundred forty-three million, seven hundred ninety-six thousand, eight hundred forty-three".