8517064749 has 16 divisors (see below), whose sum is σ = 11852134272. Its totient is φ = 5430115328.

The previous prime is 8517064709. The next prime is 8517064769. The reversal of 8517064749 is 9474607158.

8517064749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8517064749 - 2¹⁶ = 8516999213 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8517064709) 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, 506257 + ... + 522809.

It is an arithmetic number, because the mean of its divisors is an integer number (740758392).

Almost surely, 2^8517064749 is an apocalyptic number.

It is an amenable number.

8517064749 is a deficient number, since it is larger than the sum of its proper divisors (3335069523).

8517064749 is a wasteful number, since it uses less digits than its factorization.

8517064749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24036.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 8517064749 is about 92287.9447652834. The cubic root of 8517064749 is about 2042.1923717416.

The spelling of 8517064749 in words is "eight billion, five hundred seventeen million, sixty-four thousand, seven hundred forty-nine".