6684340674543 has 12 divisors (see below), whose sum is σ = 10367548801560. Its totient is φ = 3819623242512.

The previous prime is 6684340674533. The next prime is 6684340674559. The reversal of 6684340674543 is 3454760434866.

It is not a de Polignac number, because 6684340674543 - 2⁴ = 6684340674527 is a prime.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684340674503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22735852488 + ... + 22735852781.

It is an arithmetic number, because the mean of its divisors is an integer number (863962400130).

Almost surely, 2^{6684340674543} is an apocalyptic number.

6684340674543 is a deficient number, since it is larger than the sum of its proper divisors (3683208127017).

6684340674543 is a wasteful number, since it uses less digits than its factorization.

6684340674543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45471705286 (or 45471705279 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 60.

The spelling of 6684340674543 in words is "six trillion, six hundred eighty-four billion, three hundred forty million, six hundred seventy-four thousand, five hundred forty-three".