6463522808 has 16 divisors (see below), whose sum is σ = 12831994080. Its totient is φ = 3041657728.

The previous prime is 6463522801. The next prime is 6463522811. The reversal of 6463522808 is 8082253646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463522801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23762816 + ... + 23763087.

It is an arithmetic number, because the mean of its divisors is an integer number (801999630).

Almost surely, 2^6463522808 is an apocalyptic number.

6463522808 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6463522808 is a deficient number, since it is larger than the sum of its proper divisors (6368471272).

6463522808 is a wasteful number, since it uses less digits than its factorization.

6463522808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47525926 (or 47525922 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 6463522808 is about 80396.0372655270. The cubic root of 6463522808 is about 1862.7579627261.

The spelling of 6463522808 in words is "six billion, four hundred sixty-three million, five hundred twenty-two thousand, eight hundred eight".