6544652863 has 8 divisors (see below), whose sum is σ = 7501037600. Its totient is φ = 5593626720.

The previous prime is 6544652819. The next prime is 6544652899. The reversal of 6544652863 is 3682564456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6544652863 - 2⁹ = 6544652351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544652813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337028 + ... + 1341913.

It is an arithmetic number, because the mean of its divisors is an integer number (937629700).

Almost surely, 2^6544652863 is an apocalyptic number.

6544652863 is a deficient number, since it is larger than the sum of its proper divisors (956384737).

6544652863 is a wasteful number, since it uses less digits than its factorization.

6544652863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679297.

The product of its digits is 4147200, while the sum is 49.

The square root of 6544652863 is about 80899.0288137008. The cubic root of 6544652863 is about 1870.5193504440.

The spelling of 6544652863 in words is "six billion, five hundred forty-four million, six hundred fifty-two thousand, eight hundred sixty-three".