13533475209 has 16 divisors (see below), whose sum is σ = 19243546560. Its totient is φ = 8430497280.

The previous prime is 13533475199. The next prime is 13533475213. The reversal of 13533475209 is 90257433531.

It is not a de Polignac number, because 13533475209 - 2³³ = 4943540617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13533475229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947452 + ... + 961629.

It is an arithmetic number, because the mean of its divisors is an integer number (1202721660).

Almost surely, 2^13533475209 is an apocalyptic number.

It is an amenable number.

13533475209 is a deficient number, since it is larger than the sum of its proper divisors (5710071351).

13533475209 is a wasteful number, since it uses less digits than its factorization.

13533475209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909240.

The product of its (nonzero) digits is 340200, while the sum is 42.

The spelling of 13533475209 in words is "thirteen billion, five hundred thirty-three million, four hundred seventy-five thousand, two hundred nine".