6564465535 has 32 divisors (see below), whose sum is σ = 8320942080. Its totient is φ = 4961835648.

The previous prime is 6564465533. The next prime is 6564465539. The reversal of 6564465535 is 5355644656.

It is a cyclic number.

It is not a de Polignac number, because 6564465535 - 2¹ = 6564465533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6564465533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3840261 + ... + 3841969.

It is an arithmetic number, because the mean of its divisors is an integer number (260029440).

Almost surely, 2^6564465535 is an apocalyptic number.

6564465535 is a deficient number, since it is larger than the sum of its proper divisors (1756476545).

6564465535 is a wasteful number, since it uses less digits than its factorization.

6564465535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127.

The product of its digits is 6480000, while the sum is 49.

The square root of 6564465535 is about 81021.3893672529. The cubic root of 6564465535 is about 1872.4049942201.

The spelling of 6564465535 in words is "six billion, five hundred sixty-four million, four hundred sixty-five thousand, five hundred thirty-five".