13853645161 has 4 divisors (see below), whose sum is σ = 14582784400. Its totient is φ = 13124505924.

The previous prime is 13853645063. The next prime is 13853645171. The reversal of 13853645161 is 16154635831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13853645161 - 2²³ = 13845256553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13853645171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364569591 + ... + 364569628.

It is an arithmetic number, because the mean of its divisors is an integer number (3645696100).

Almost surely, 2^13853645161 is an apocalyptic number.

It is an amenable number.

13853645161 is a deficient number, since it is larger than the sum of its proper divisors (729139239).

13853645161 is an equidigital number, since it uses as much as digits as its factorization.

13853645161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729139238.

The product of its digits is 259200, while the sum is 43.

The spelling of 13853645161 in words is "thirteen billion, eight hundred fifty-three million, six hundred forty-five thousand, one hundred sixty-one".