6541043344 has 20 divisors (see below), whose sum is σ = 13825387440. Its totient is φ = 2973201440.

The previous prime is 6541043323. The next prime is 6541043357. The reversal of 6541043344 is 4433401456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18582334 + ... + 18582685.

It is an arithmetic number, because the mean of its divisors is an integer number (691269372).

Almost surely, 2^6541043344 is an apocalyptic number.

It is an amenable number.

6541043344 is an abundant number, since it is smaller than the sum of its proper divisors (7284344096).

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

6541043344 is a wasteful number, since it uses less digits than its factorization.

6541043344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37165038 (or 37165032 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 6541043344 is about 80876.7169462262. The cubic root of 6541043344 is about 1870.1754097804.

The spelling of 6541043344 in words is "six billion, five hundred forty-one million, forty-three thousand, three hundred forty-four".