3686853366685 has 8 divisors (see below), whose sum is σ = 4424916553560. Its totient is φ = 2949021017664.

The previous prime is 3686853366671. The next prime is 3686853366709. The reversal of 3686853366685 is 5866633586863.

It can be written as a sum of positive squares in 4 ways, for example, as 424617747129 + 3262235619556 = 651627^2 + 1806166^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3686853366685 - 2⁹ = 3686853366173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57674322 + ... + 57738211.

It is an arithmetic number, because the mean of its divisors is an integer number (553114569195).

Almost surely, 2^{3686853366685} is an apocalyptic number.

It is an amenable number.

3686853366685 is a deficient number, since it is larger than the sum of its proper divisors (738063186875).

3686853366685 is a wasteful number, since it uses less digits than its factorization.

3686853366685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115418927.

The product of its digits is 2687385600, while the sum is 73.

The spelling of 3686853366685 in words is "three trillion, six hundred eighty-six billion, eight hundred fifty-three million, three hundred sixty-six thousand, six hundred eighty-five".