6463566650 has 48 divisors (see below), whose sum is σ = 12585051648. Its totient is φ = 2466744000.

The previous prime is 6463566569. The next prime is 6463566671. The reversal of 6463566650 is 566653646.

It is a junction number, because it is equal to n+sod(n) for n = 6463566595 and 6463566604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80684 + ... + 139416.

It is an arithmetic number, because the mean of its divisors is an integer number (262188576).

Almost surely, 2^6463566650 is an apocalyptic number.

6463566650 is a deficient number, since it is larger than the sum of its proper divisors (6121484998).

6463566650 is a wasteful number, since it uses less digits than its factorization.

6463566650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58847 (or 58842 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 47.

The square root of 6463566650 is about 80396.3099277573. The cubic root of 6463566650 is about 1862.7621744051.

The spelling of 6463566650 in words is "six billion, four hundred sixty-three million, five hundred sixty-six thousand, six hundred fifty".