5865685309 has 8 divisors (see below), whose sum is σ = 6400637280. Its totient is φ = 5331018000.

The previous prime is 5865685307. The next prime is 5865685327. The reversal of 5865685309 is 9035865685.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5865685309 - 2¹ = 5865685307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5865685309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5865685307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26874 + ... + 111595.

It is an arithmetic number, because the mean of its divisors is an integer number (800079660).

Almost surely, 2^5865685309 is an apocalyptic number.

It is an amenable number.

5865685309 is a deficient number, since it is larger than the sum of its proper divisors (534951971).

5865685309 is a wasteful number, since it uses less digits than its factorization.

5865685309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142331.

The product of its (nonzero) digits is 7776000, while the sum is 55.

The square root of 5865685309 is about 76587.7621359966. The cubic root of 5865685309 is about 1803.4589157907.

The spelling of 5865685309 in words is "five billion, eight hundred sixty-five million, six hundred eighty-five thousand, three hundred nine".