6543047284 has 24 divisors (see below), whose sum is σ = 11744224128. Its totient is φ = 3188153280.

The previous prime is 6543047263. The next prime is 6543047299. The reversal of 6543047284 is 4827403456.

It is a super-2 number, since 2×6543047284² = 85622935521319553312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6543047284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30882 + ... + 118489.

It is an arithmetic number, because the mean of its divisors is an integer number (489342672).

Almost surely, 2^6543047284 is an apocalyptic number.

It is an amenable number.

6543047284 is a deficient number, since it is larger than the sum of its proper divisors (5201176844).

6543047284 is a wasteful number, since it uses less digits than its factorization.

6543047284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149655 (or 149653 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The square root of 6543047284 is about 80889.1048534968. The cubic root of 6543047284 is about 1870.3663750671.

The spelling of 6543047284 in words is "six billion, five hundred forty-three million, forty-seven thousand, two hundred eighty-four".