3686682137 has 2 divisors, whose sum is σ = 3686682138. Its totient is φ = 3686682136.

The previous prime is 3686682133. The next prime is 3686682143. The reversal of 3686682137 is 7312866863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3673693321 + 12988816 = 60611^2 + 3604^2 .

It is a cyclic number.

It is not a de Polignac number, because 3686682137 - 2² = 3686682133 is a prime.

It is not a weakly prime, because it can be changed into another prime (3686682133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843341068 + 1843341069.

It is an arithmetic number, because the mean of its divisors is an integer number (1843341069).

Almost surely, 2^3686682137 is an apocalyptic number.

It is an amenable number.

3686682137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3686682137 is an equidigital number, since it uses as much as digits as its factorization.

3686682137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 50.

The square root of 3686682137 is about 60718.0544566441. The cubic root of 3686682137 is about 1544.8224241262.

The spelling of 3686682137 in words is "three billion, six hundred eighty-six million, six hundred eighty-two thousand, one hundred thirty-seven".