3686331843 has 16 divisors (see below), whose sum is σ = 5564276640. Its totient is φ = 2411184672.

The previous prime is 3686331841. The next prime is 3686331953. The reversal of 3686331843 is 3481336863.

3686331843 is a `hidden beast` number, since 3 + 6 + 8 + 633 + 1 + 8 + 4 + 3 = 666.

It is not a de Polignac number, because 3686331843 - 2¹ = 3686331841 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3686331841) 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, 1286596 + ... + 1289457.

It is an arithmetic number, because the mean of its divisors is an integer number (347767290).

Almost surely, 2^3686331843 is an apocalyptic number.

3686331843 is a deficient number, since it is larger than the sum of its proper divisors (1877944797).

3686331843 is a wasteful number, since it uses less digits than its factorization.

3686331843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576115 (or 2576109 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 3686331843 is about 60715.1697930591. The cubic root of 3686331843 is about 1544.7734949313.

The spelling of 3686331843 in words is "three billion, six hundred eighty-six million, three hundred thirty-one thousand, eight hundred forty-three".