6563327456 has 36 divisors (see below), whose sum is σ = 14770215432. Its totient is φ = 2812334976.

The previous prime is 6563327443. The next prime is 6563327527. The reversal of 6563327456 is 6547233656.

It is a self number, because there is not a number n which added to its sum of digits gives 6563327456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1209806 + ... + 1215218.

It is an arithmetic number, because the mean of its divisors is an integer number (410283762).

Almost surely, 2^6563327456 is an apocalyptic number.

It is an amenable number.

6563327456 is an abundant number, since it is smaller than the sum of its proper divisors (8206887976).

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

6563327456 is an frugal number, since it uses more digits than its factorization.

6563327456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10843 (or 5422 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 47.

The square root of 6563327456 is about 81014.3657384294. The cubic root of 6563327456 is about 1872.2967819089.

The spelling of 6563327456 in words is "six billion, five hundred sixty-three million, three hundred twenty-seven thousand, four hundred fifty-six".