6563684260 has 288 divisors, whose sum is σ = 17519483520. Its totient is φ = 2054707200.

The previous prime is 6563684251. The next prime is 6563684261. The reversal of 6563684260 is 624863656.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6563684260.

It is not an unprimeable number, because it can be changed into a prime (6563684261) 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 95 ways as a sum of consecutive naturals, for example, 50104395 + ... + 50104525.

It is an arithmetic number, because the mean of its divisors is an integer number (60831540).

Almost surely, 2^6563684260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6563684260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8759741760).

6563684260 is an abundant number, since it is smaller than the sum of its proper divisors (10955799260).

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

6563684260 is a wasteful number, since it uses less digits than its factorization.

6563684260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The square root of 6563684260 is about 81016.5678117754. The cubic root of 6563684260 is about 1872.3307093581.

The spelling of 6563684260 in words is "six billion, five hundred sixty-three million, six hundred eighty-four thousand, two hundred sixty".