6505005650 has 48 divisors (see below), whose sum is σ = 14214590208. Its totient is φ = 2183496000.

The previous prime is 6505005629. The next prime is 6505005653. The reversal of 6505005650 is 565005056.

It is not an unprimeable number, because it can be changed into a prime (6505005653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447746 + ... + 462045.

It is an arithmetic number, because the mean of its divisors is an integer number (296137296).

Almost surely, 2^6505005650 is an apocalyptic number.

6505005650 is an abundant number, since it is smaller than the sum of its proper divisors (7709584558).

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

6505005650 is a wasteful number, since it uses less digits than its factorization.

6505005650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909827 (or 909822 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 6505005650 is about 80653.6152320527. The cubic root of 6505005650 is about 1866.7345232915.

The spelling of 6505005650 in words is "six billion, five hundred five million, five thousand, six hundred fifty".