36631013663 has 4 divisors (see below), whose sum is σ = 36631832328. Its totient is φ = 36630195000.

The previous prime is 36631013633. The next prime is 36631013717.

36631013663 is nontrivially palindromic in base 10.

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 36631013663 - 2³² = 32336046367 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 (36631013633) 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, 338081 + ... + 433082.

It is an arithmetic number, because the mean of its divisors is an integer number (9157958082).

Almost surely, 2^36631013663 is an apocalyptic number.

36631013663 is a deficient number, since it is larger than the sum of its proper divisors (818665).

36631013663 is an equidigital number, since it uses as much as digits as its factorization.

36631013663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818664.

The product of its (nonzero) digits is 104976, while the sum is 38.

It can be divided in two parts, 366310 and 13663, that added together give a palindrome (379973).

The spelling of 36631013663 in words is "thirty-six billion, six hundred thirty-one million, thirteen thousand, six hundred sixty-three".