6563648043 has 12 divisors (see below), whose sum is σ = 9481720560. Its totient is φ = 4375352016.

The previous prime is 6563648029. The next prime is 6563648081. The reversal of 6563648043 is 3408463656.

6563648043 is a `hidden beast` number, since 6 + 5 + 636 + 4 + 8 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 6563648043 - 2²² = 6559453739 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6563648043.

It is not an unprimeable number, because it can be changed into a prime (6563648093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89653 + ... + 145481.

It is an arithmetic number, because the mean of its divisors is an integer number (790143380).

Almost surely, 2^6563648043 is an apocalyptic number.

6563648043 is a deficient number, since it is larger than the sum of its proper divisors (2918072517).

6563648043 is a wasteful number, since it uses less digits than its factorization.

6563648043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68898 (or 68895 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The square root of 6563648043 is about 81016.3442954568. The cubic root of 6563648043 is about 1872.3272656455.

The spelling of 6563648043 in words is "six billion, five hundred sixty-three million, six hundred forty-eight thousand, forty-three".