36684448663 has 16 divisors (see below), whose sum is σ = 37270212480. Its totient is φ = 36103648000.

The previous prime is 36684448657. The next prime is 36684448673.

It is a happy number.

36684448663 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36684448663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36684448598 and 36684448607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36684448613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18368781 + ... + 18370777.

It is an arithmetic number, because the mean of its divisors is an integer number (2329388280).

Almost surely, 2^36684448663 is an apocalyptic number.

36684448663 is a deficient number, since it is larger than the sum of its proper divisors (585763817).

36684448663 is a wasteful number, since it uses less digits than its factorization.

36684448663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098.

The product of its digits is 47775744, while the sum is 58.

The spelling of 36684448663 in words is "thirty-six billion, six hundred eighty-four million, four hundred forty-eight thousand, six hundred sixty-three".