6543533344 has 48 divisors (see below), whose sum is σ = 13165891200. Its totient is φ = 3200580864.

The previous prime is 6543533279. The next prime is 6543533363. The reversal of 6543533344 is 4433353456.

It is a junction number, because it is equal to n+sod(n) for n = 6543533297 and 6543533306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263679 + ... + 287425.

It is an arithmetic number, because the mean of its divisors is an integer number (274289400).

Almost surely, 2^6543533344 is an apocalyptic number.

It is an amenable number.

6543533344 is an abundant number, since it is smaller than the sum of its proper divisors (6622357856).

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

6543533344 is a wasteful number, since it uses less digits than its factorization.

6543533344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23945 (or 23937 counting only the distinct ones).

The product of its digits is 777600, while the sum is 40.

The square root of 6543533344 is about 80892.1092814373. The cubic root of 6543533344 is about 1870.4126882364.

The spelling of 6543533344 in words is "six billion, five hundred forty-three million, five hundred thirty-three thousand, three hundred forty-four".