6563319650 has 48 divisors (see below), whose sum is σ = 12350292864. Its totient is φ = 2594782080.

The previous prime is 6563319649. The next prime is 6563319661. The reversal of 6563319650 is 569133656.

It is a super-2 number, since 2×6563319650² = 86154329656152245000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3743174 + ... + 3744926.

It is an arithmetic number, because the mean of its divisors is an integer number (257297768).

Almost surely, 2^6563319650 is an apocalyptic number.

6563319650 is a deficient number, since it is larger than the sum of its proper divisors (5786973214).

6563319650 is a wasteful number, since it uses less digits than its factorization.

6563319650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 44.

The square root of 6563319650 is about 81014.3175617742. The cubic root of 6563319650 is about 1872.2960396455.

The spelling of 6563319650 in words is "six billion, five hundred sixty-three million, three hundred nineteen thousand, six hundred fifty".