13865713385 has 8 divisors (see below), whose sum is σ = 16641700800. Its totient is φ = 11090674224.

The previous prime is 13865713373. The next prime is 13865713409. The reversal of 13865713385 is 58331756831.

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 13865713385 - 2¹⁶ = 13865647849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204485 + ... + 263714.

It is an arithmetic number, because the mean of its divisors is an integer number (2080212600).

Almost surely, 2^13865713385 is an apocalyptic number.

It is an amenable number.

13865713385 is a deficient number, since it is larger than the sum of its proper divisors (2775987415).

13865713385 is an equidigital number, since it uses as much as digits as its factorization.

13865713385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474127.

The product of its digits is 1814400, while the sum is 50.

The spelling of 13865713385 in words is "thirteen billion, eight hundred sixty-five million, seven hundred thirteen thousand, three hundred eighty-five".