209152433 has 12 divisors (see below), whose sum is σ = 243536832. Its totient is φ = 179098920.

The previous prime is 209152393. The next prime is 209152459. The reversal of 209152433 is 334251902.

It is not a de Polignac number, because 209152433 - 2²⁶ = 142043569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 209152396 and 209152405.

It is not an unprimeable number, because it can be changed into a prime (209152033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89348 + ... + 91658.

It is an arithmetic number, because the mean of its divisors is an integer number (20294736).

Almost surely, 2^209152433 is an apocalyptic number.

It is an amenable number.

209152433 is a deficient number, since it is larger than the sum of its proper divisors (34384399).

209152433 is a wasteful number, since it uses less digits than its factorization.

209152433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172 (or 4165 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 209152433 is about 14462.1033394178. The cubic root of 209152433 is about 593.5914547987.

The spelling of 209152433 in words is "two hundred nine million, one hundred fifty-two thousand, four hundred thirty-three".