8365016809 has 4 divisors (see below), whose sum is σ = 8728713216. Its totient is φ = 8001320404.

The previous prime is 8365016773. The next prime is 8365016819. The reversal of 8365016809 is 9086105638.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8365016809 - 2²³ = 8356628201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8365016819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181848169 + ... + 181848214.

It is an arithmetic number, because the mean of its divisors is an integer number (2182178304).

Almost surely, 2^8365016809 is an apocalyptic number.

It is an amenable number.

8365016809 is a deficient number, since it is larger than the sum of its proper divisors (363696407).

8365016809 is a wasteful number, since it uses less digits than its factorization.

8365016809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363696406.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 8365016809 is about 91460.4658254046. The cubic root of 8365016809 is about 2029.9668197316.

The spelling of 8365016809 in words is "eight billion, three hundred sixty-five million, sixteen thousand, eight hundred nine".