3686853683698 has 72 divisors (see below), whose sum is σ = 5880045055500. Its totient is φ = 1733568376320.

The previous prime is 3686853683693. The next prime is 3686853683729. The reversal of 3686853683698 is 8963863586863.

It can be written as a sum of positive squares in 18 ways, for example, as 29147708529 + 3657705975169 = 170727^2 + 1912513^2 .

It is not an unprimeable number, because it can be changed into a prime (3686853683693) 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 35 ways as a sum of consecutive naturals, for example, 501677328 + ... + 501684676.

Almost surely, 2^{3686853683698} is an apocalyptic number.

3686853683698 is a deficient number, since it is larger than the sum of its proper divisors (2193191371802).

3686853683698 is a wasteful number, since it uses less digits than its factorization.

3686853683698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616 (or 7538 counting only the distinct ones).

The product of its digits is 6449725440, while the sum is 79.

The spelling of 3686853683698 in words is "three trillion, six hundred eighty-six billion, eight hundred fifty-three million, six hundred eighty-three thousand, six hundred ninety-eight".