3686417749 has 8 divisors (see below), whose sum is σ = 4243359680. Its totient is φ = 3137053536.

The previous prime is 3686417747. The next prime is 3686417807. The reversal of 3686417749 is 9477146863.

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 3686417749 - 2¹ = 3686417747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3686417749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686417741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893384 + ... + 1895329.

It is an arithmetic number, because the mean of its divisors is an integer number (530419960).

Almost surely, 2^3686417749 is an apocalyptic number.

It is an amenable number.

3686417749 is a deficient number, since it is larger than the sum of its proper divisors (556941931).

3686417749 is a wasteful number, since it uses less digits than its factorization.

3686417749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788859.

The product of its digits is 6096384, while the sum is 55.

The square root of 3686417749 is about 60715.8772398127. The cubic root of 3686417749 is about 1544.7854945999.

The spelling of 3686417749 in words is "three billion, six hundred eighty-six million, four hundred seventeen thousand, seven hundred forty-nine".