8610320849 has 4 divisors (see below), whose sum is σ = 9272653236. Its totient is φ = 7947988464.

The previous prime is 8610320843. The next prime is 8610320867. The reversal of 8610320849 is 9480230168.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3017524624 + 5592796225 = 54932^2 + 74785^2 .

It is not a de Polignac number, because 8610320849 - 2²⁴ = 8593543633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8610320843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331166174 + ... + 331166199.

It is an arithmetic number, because the mean of its divisors is an integer number (2318163309).

Almost surely, 2^8610320849 is an apocalyptic number.

It is an amenable number.

8610320849 is a deficient number, since it is larger than the sum of its proper divisors (662332387).

8610320849 is a wasteful number, since it uses less digits than its factorization.

8610320849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662332386.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 8610320849 is about 92791.8145581818. The cubic root of 8610320849 is about 2049.6188741404.

The spelling of 8610320849 in words is "eight billion, six hundred ten million, three hundred twenty thousand, eight hundred forty-nine".