6565652499 has 16 divisors (see below), whose sum is σ = 10237475072. Its totient is φ = 3664549728.

The previous prime is 6565652459. The next prime is 6565652503. The reversal of 6565652499 is 9942565656.

It is a happy number.

6565652499 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6565652499 - 2⁹ = 6565651987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6565652449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3634564 + ... + 3636369.

It is an arithmetic number, because the mean of its divisors is an integer number (639842192).

Almost surely, 2^6565652499 is an apocalyptic number.

6565652499 is a deficient number, since it is larger than the sum of its proper divisors (3671822573).

6565652499 is a wasteful number, since it uses less digits than its factorization.

6565652499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7270986.

The product of its digits is 17496000, while the sum is 57.

The square root of 6565652499 is about 81028.7140401475. The cubic root of 6565652499 is about 1872.5178413549.

The spelling of 6565652499 in words is "six billion, five hundred sixty-five million, six hundred fifty-two thousand, four hundred ninety-nine".