36640004663 has 4 divisors (see below), whose sum is σ = 38233048368. Its totient is φ = 35046960960.

The previous prime is 36640004627. The next prime is 36640004671.

36640004663 is nontrivially palindromic in base 10.

36640004663 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 36640004663 - 2²⁴ = 36623227447 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 (36640004683) 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, 796521818 + ... + 796521863.

It is an arithmetic number, because the mean of its divisors is an integer number (9558262092).

Almost surely, 2^36640004663 is an apocalyptic number.

36640004663 is a deficient number, since it is larger than the sum of its proper divisors (1593043705).

36640004663 is a wasteful number, since it uses less digits than its factorization.

36640004663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593043704.

The product of its (nonzero) digits is 186624, while the sum is 38.

It can be divided in two parts, 3664000 and 4663, that added together give a palindrome (3668663).

The spelling of 36640004663 in words is "thirty-six billion, six hundred forty million, four thousand, six hundred sixty-three".