6543084889 has 8 divisors (see below), whose sum is σ = 7140639168. Its totient is φ = 5945985360.

The previous prime is 6543084881. The next prime is 6543084923. The reversal of 6543084889 is 9884803456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6543084889 - 2³ = 6543084881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6543084881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83242 + ... + 141475.

It is an arithmetic number, because the mean of its divisors is an integer number (892579896).

Almost surely, 2^6543084889 is an apocalyptic number.

It is an amenable number.

6543084889 is a deficient number, since it is larger than the sum of its proper divisors (597554279).

6543084889 is a wasteful number, since it uses less digits than its factorization.

6543084889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227375.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The square root of 6543084889 is about 80889.3373010312. The cubic root of 6543084889 is about 1870.3699582596.

The spelling of 6543084889 in words is "six billion, five hundred forty-three million, eighty-four thousand, eight hundred eighty-nine".