6843453543 has 12 divisors (see below), whose sum is σ = 10047038248. Its totient is φ = 4487510160.

The previous prime is 6843453521. The next prime is 6843453563. The reversal of 6843453543 is 3453543486.

6843453543 is a `hidden beast` number, since 6 + 84 + 34 + 535 + 4 + 3 = 666.

It is not a de Polignac number, because 6843453543 - 2¹⁰ = 6843452519 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 (6843453563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6232105 + ... + 6233202.

Almost surely, 2^6843453543 is an apocalyptic number.

6843453543 is a deficient number, since it is larger than the sum of its proper divisors (3203584705).

6843453543 is a wasteful number, since it uses less digits than its factorization.

6843453543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12465374 (or 12465371 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The square root of 6843453543 is about 82725.1687396284. The cubic root of 6843453543 is about 1898.5634148140.

The spelling of 6843453543 in words is "six billion, eight hundred forty-three million, four hundred fifty-three thousand, five hundred forty-three".