8636495663 has 4 divisors (see below), whose sum is σ = 8656534368. Its totient is φ = 8616456960.

The previous prime is 8636495633. The next prime is 8636495677. The reversal of 8636495663 is 3665946368.

8636495663 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.

It is a cyclic number.

It is not a de Polignac number, because 8636495663 - 2⁸ = 8636495407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8636495599 and 8636495608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8636495633) 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, 10018706 + ... + 10019567.

It is an arithmetic number, because the mean of its divisors is an integer number (2164133592).

Almost surely, 2^8636495663 is an apocalyptic number.

8636495663 is a deficient number, since it is larger than the sum of its proper divisors (20038705).

8636495663 is a wasteful number, since it uses less digits than its factorization.

8636495663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20038704.

The product of its digits is 16796160, while the sum is 56.

The square root of 8636495663 is about 92932.7480654694. The cubic root of 8636495663 is about 2051.6936757197.

The spelling of 8636495663 in words is "eight billion, six hundred thirty-six million, four hundred ninety-five thousand, six hundred sixty-three".