3686905369 has 32 divisors (see below), whose sum is σ = 4511655680. Its totient is φ = 2942687232.

The previous prime is 3686905351. The next prime is 3686905381. The reversal of 3686905369 is 9635096863.

It is not a de Polignac number, because 3686905369 - 2⁹ = 3686904857 is a prime.

It is a super-2 number, since 2×3686905369² = 27186542399922052322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3686905399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4203559 + ... + 4204435.

It is an arithmetic number, because the mean of its divisors is an integer number (140989240).

Almost surely, 2^3686905369 is an apocalyptic number.

It is an amenable number.

3686905369 is a deficient number, since it is larger than the sum of its proper divisors (824750311).

3686905369 is a wasteful number, since it uses less digits than its factorization.

3686905369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The square root of 3686905369 is about 60719.8926958867. The cubic root of 3686905369 is about 1544.8536036372.

The spelling of 3686905369 in words is "three billion, six hundred eighty-six million, nine hundred five thousand, three hundred sixty-nine".