13865345873 has 8 divisors (see below), whose sum is σ = 14162155392. Its totient is φ = 13568611536.

The previous prime is 13865345869. The next prime is 13865345899. The reversal of 13865345873 is 37854356831.

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 13865345873 - 2² = 13865345869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13865345803) 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, 513086 + ... + 539432.

It is an arithmetic number, because the mean of its divisors is an integer number (1770269424).

Almost surely, 2^13865345873 is an apocalyptic number.

It is an amenable number.

13865345873 is a deficient number, since it is larger than the sum of its proper divisors (296809519).

13865345873 is a wasteful number, since it uses less digits than its factorization.

13865345873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37591.

The product of its digits is 7257600, while the sum is 53.

The spelling of 13865345873 in words is "thirteen billion, eight hundred sixty-five million, three hundred forty-five thousand, eight hundred seventy-three".