6543073212 has 48 divisors (see below), whose sum is σ = 17156428800. Its totient is φ = 1925719488.

The previous prime is 6543073171. The next prime is 6543073213. The reversal of 6543073212 is 2123703456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543073213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908212 + ... + 915387.

It is an arithmetic number, because the mean of its divisors is an integer number (357425600).

Almost surely, 2^6543073212 is an apocalyptic number.

It is an amenable number.

6543073212 is an abundant number, since it is smaller than the sum of its proper divisors (10613355588).

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

6543073212 is a wasteful number, since it uses less digits than its factorization.

6543073212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823642 (or 1823640 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 6543073212 is about 80889.2651221409. The cubic root of 6543073212 is about 1870.3688456181.

Adding to 6543073212 its reverse (2123703456), we get a palindrome (8666776668).

The spelling of 6543073212 in words is "six billion, five hundred forty-three million, seventy-three thousand, two hundred twelve".