3683686851 has 12 divisors (see below), whose sum is σ = 5730179728. Its totient is φ = 2266884144.

The previous prime is 3683686843. The next prime is 3683686933. The reversal of 3683686851 is 1586863863.

3683686851 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3683686851 - 2³ = 3683686843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3683686051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15742135 + ... + 15742368.

Almost surely, 2^3683686851 is an apocalyptic number.

3683686851 is a deficient number, since it is larger than the sum of its proper divisors (2046492877).

3683686851 is a wasteful number, since it uses less digits than its factorization.

3683686851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31484522 (or 31484519 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 3683686851 is about 60693.3839145586. The cubic root of 3683686851 is about 1544.4039413722.

The spelling of 3683686851 in words is "three billion, six hundred eighty-three million, six hundred eighty-six thousand, eight hundred fifty-one".