36686744768663 has 4 divisors (see below), whose sum is σ = 40021903384008. Its totient is φ = 33351586153320.

The previous prime is 36686744768627. The next prime is 36686744768669.

36686744768663 is nontrivially palindromic in base 10.

36686744768663 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 36686744768663 - 2¹⁸ = 36686744506519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36686744768669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667579307656 + ... + 1667579307677.

It is an arithmetic number, because the mean of its divisors is an integer number (10005475846002).

Almost surely, 2^{36686744768663} is an apocalyptic number.

36686744768663 is a deficient number, since it is larger than the sum of its proper divisors (3335158615345).

36686744768663 is a wasteful number, since it uses less digits than its factorization.

36686744768663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335158615344.

The product of its digits is 21069103104, while the sum is 80.

The spelling of 36686744768663 in words is "thirty-six trillion, six hundred eighty-six billion, seven hundred forty-four million, seven hundred sixty-eight thousand, six hundred sixty-three".