6563794800 has 60 divisors (see below), whose sum is σ = 21026026520. Its totient is φ = 1750344960.

The previous prime is 6563794771. The next prime is 6563794801. The reversal of 6563794800 is 84973656.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6563794800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6563794801) 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, 2733715 + ... + 2736114.

Almost surely, 2^6563794800 is an apocalyptic number.

6563794800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6563794800 is an abundant number, since it is smaller than the sum of its proper divisors (14462231720).

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

6563794800 is a wasteful number, since it uses less digits than its factorization.

6563794800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469850 (or 5469839 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 6563794800 is about 81017.2500150431. The cubic root of 6563794800 is about 1872.3412200340.

The spelling of 6563794800 in words is "six billion, five hundred sixty-three million, seven hundred ninety-four thousand, eight hundred".