3684765909 has 16 divisors (see below), whose sum is σ = 5362265664. Its totient is φ = 2232105600.

The previous prime is 3684765809. The next prime is 3684765913. The reversal of 3684765909 is 9095674863.

It is a happy number.

It is not a de Polignac number, because 3684765909 - 2²⁴ = 3667988693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684765919) 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, 44577 + ... + 96729.

It is an arithmetic number, because the mean of its divisors is an integer number (335141604).

Almost surely, 2^3684765909 is an apocalyptic number.

It is an amenable number.

3684765909 is a deficient number, since it is larger than the sum of its proper divisors (1677499755).

3684765909 is a wasteful number, since it uses less digits than its factorization.

3684765909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54308.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The square root of 3684765909 is about 60702.2726839778. The cubic root of 3684765909 is about 1544.5547267854.

The spelling of 3684765909 in words is "three billion, six hundred eighty-four million, seven hundred sixty-five thousand, nine hundred nine".