8663850849 has 4 divisors (see below), whose sum is σ = 11551801136. Its totient is φ = 5775900564.

The previous prime is 8663850823. The next prime is 8663850851. The reversal of 8663850849 is 9480583668.

8663850849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 8663850849 - 2⁸ = 8663850593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8663850889) 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 3 ways as a sum of consecutive naturals, for example, 1443975139 + ... + 1443975144.

It is an arithmetic number, because the mean of its divisors is an integer number (2887950284).

Almost surely, 2^8663850849 is an apocalyptic number.

It is an amenable number.

8663850849 is a deficient number, since it is larger than the sum of its proper divisors (2887950287).

8663850849 is a wasteful number, since it uses less digits than its factorization.

8663850849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887950286.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The square root of 8663850849 is about 93079.8090296709. The cubic root of 8663850849 is about 2053.8575668879.

The spelling of 8663850849 in words is "eight billion, six hundred sixty-three million, eight hundred fifty thousand, eight hundred forty-nine".