6563473806 has 16 divisors (see below), whose sum is σ = 13166610048. Its totient is φ = 2181214200.

The previous prime is 6563473801. The next prime is 6563473811. The reversal of 6563473806 is 6083743656.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6563473801) and next prime (6563473811).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6563473801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1650450 + ... + 1654421.

It is an arithmetic number, because the mean of its divisors is an integer number (822913128).

Almost surely, 2^6563473806 is an apocalyptic number.

6563473806 is an abundant number, since it is smaller than the sum of its proper divisors (6603136242).

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

6563473806 is a wasteful number, since it uses less digits than its factorization.

6563473806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305207.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The square root of 6563473806 is about 81015.2689682630. The cubic root of 6563473806 is about 1872.3106980513.

The spelling of 6563473806 in words is "six billion, five hundred sixty-three million, four hundred seventy-three thousand, eight hundred six".