3665795321 has 8 divisors (see below), whose sum is σ = 3721580160. Its totient is φ = 3610042128.

The previous prime is 3665795317. The next prime is 3665795333. The reversal of 3665795321 is 1235975663.

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 3665795321 - 2² = 3665795317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3665795351) 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, 340895 + ... + 351483.

It is an arithmetic number, because the mean of its divisors is an integer number (465197520).

Almost surely, 2^3665795321 is an apocalyptic number.

It is an amenable number.

3665795321 is a deficient number, since it is larger than the sum of its proper divisors (55784839).

3665795321 is a wasteful number, since it uses less digits than its factorization.

3665795321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15823.

The product of its digits is 1020600, while the sum is 47.

The square root of 3665795321 is about 60545.8117544063. The cubic root of 3665795321 is about 1541.8995115142.

The spelling of 3665795321 in words is "three billion, six hundred sixty-five million, seven hundred ninety-five thousand, three hundred twenty-one".