9534564865 has 16 divisors (see below), whose sum is σ = 13083898752. Its totient is φ = 6534025344.

The previous prime is 9534564863. The next prime is 9534564887. The reversal of 9534564865 is 5684654359.

9534564865 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 9534564865 - 2¹ = 9534564863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9534564863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23364 + ... + 140053.

It is an arithmetic number, because the mean of its divisors is an integer number (817743672).

Almost surely, 2^9534564865 is an apocalyptic number.

It is an amenable number.

9534564865 is a deficient number, since it is larger than the sum of its proper divisors (3549333887).

9534564865 is a wasteful number, since it uses less digits than its factorization.

9534564865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165096.

The product of its digits is 15552000, while the sum is 55.

The square root of 9534564865 is about 97645.0964718659. The cubic root of 9534564865 is about 2120.4772914470.

The spelling of 9534564865 in words is "nine billion, five hundred thirty-four million, five hundred sixty-four thousand, eight hundred sixty-five".