6500650655 has 32 divisors (see below), whose sum is σ = 8829088128. Its totient is φ = 4567552000.

The previous prime is 6500650627. The next prime is 6500650661. The reversal of 6500650655 is 5560560056.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6500650655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 39605 + ... + 120705.

It is an arithmetic number, because the mean of its divisors is an integer number (275909004).

Almost surely, 2^6500650655 is an apocalyptic number.

6500650655 is a deficient number, since it is larger than the sum of its proper divisors (2328437473).

6500650655 is a wasteful number, since it uses less digits than its factorization.

6500650655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81187.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 6500650655 is about 80626.6125730208. The cubic root of 6500650655 is about 1866.3178475373.

The spelling of 6500650655 in words is "six billion, five hundred million, six hundred fifty thousand, six hundred fifty-five".