3684913919 has 4 divisors (see below), whose sum is σ = 3686885280. Its totient is φ = 3682942560.

The previous prime is 3684913901. The next prime is 3684913961. The reversal of 3684913919 is 9193194863.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3684913919 is a prime.

It is a super-2 number, since 2×3684913919² = 27157181180879877122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684913819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982874 + ... + 986615.

It is an arithmetic number, because the mean of its divisors is an integer number (921721320).

Almost surely, 2^3684913919 is an apocalyptic number.

3684913919 is a deficient number, since it is larger than the sum of its proper divisors (1971361).

3684913919 is a wasteful number, since it uses less digits than its factorization.

3684913919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971360.

The product of its digits is 1259712, while the sum is 53.

The square root of 3684913919 is about 60703.4918188402. The cubic root of 3684913919 is about 1544.5754071118.

The spelling of 3684913919 in words is "three billion, six hundred eighty-four million, nine hundred thirteen thousand, nine hundred nineteen".