6543448684 has 48 divisors (see below), whose sum is σ = 12197785600. Its totient is φ = 3062624256.

The previous prime is 6543448661. The next prime is 6543448697. The reversal of 6543448684 is 4868443456.

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 15 ways as a sum of consecutive naturals, for example, 6019189 + ... + 6020275.

Almost surely, 2^6543448684 is an apocalyptic number.

It is an amenable number.

6543448684 is a deficient number, since it is larger than the sum of its proper divisors (5654336916).

6543448684 is a wasteful number, since it uses less digits than its factorization.

6543448684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982 (or 1980 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 52.

The square root of 6543448684 is about 80891.5859901387. The cubic root of 6543448684 is about 1870.4046217575.

The spelling of 6543448684 in words is "six billion, five hundred forty-three million, four hundred forty-eight thousand, six hundred eighty-four".