6543424206 has 36 divisors (see below), whose sum is σ = 15583449336. Its totient is φ = 1982855160.

The previous prime is 6543424201. The next prime is 6543424207. The reversal of 6543424206 is 6024243456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543424201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1499986 + ... + 1504341.

Almost surely, 2^6543424206 is an apocalyptic number.

6543424206 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6543424206 is an abundant number, since it is smaller than the sum of its proper divisors (9040025130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6543424206 is a wasteful number, since it uses less digits than its factorization.

6543424206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004357 (or 3004343 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 6543424206 is about 80891.4346887234. The cubic root of 6543424206 is about 1870.4022894593.

The spelling of 6543424206 in words is "six billion, five hundred forty-three million, four hundred twenty-four thousand, two hundred six".