8564909093 has 8 divisors (see below), whose sum is σ = 9224985336. Its totient is φ = 7905009600.

The previous prime is 8564909081. The next prime is 8564909117. The reversal of 8564909093 is 3909094658.

It can be written as a sum of positive squares in 4 ways, for example, as 1322558689 + 7242350404 = 36367^2 + 85102^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8564909093 - 2¹⁴ = 8564892709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8564909063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66803 + ... + 146943.

It is an arithmetic number, because the mean of its divisors is an integer number (1153123167).

Almost surely, 2^8564909093 is an apocalyptic number.

It is an amenable number.

8564909093 is a deficient number, since it is larger than the sum of its proper divisors (660076243).

8564909093 is a wasteful number, since it uses less digits than its factorization.

8564909093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88375.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 8564909093 is about 92546.7940719720. The cubic root of 8564909093 is about 2046.0092174925.

The spelling of 8564909093 in words is "eight billion, five hundred sixty-four million, nine hundred nine thousand, ninety-three".