209329212933 has 12 divisors (see below), whose sum is σ = 309396149920. Its totient is φ = 136307394216.

The previous prime is 209329212929. The next prime is 209329212949. The reversal of 209329212933 is 339212923902.

209329212933 is a `hidden beast` number, since 20 + 9 + 329 + 212 + 93 + 3 = 666.

It is not a de Polignac number, because 209329212933 - 2² = 209329212929 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209329210933) 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, 270450793 + ... + 270451566.

Almost surely, 2^209329212933 is an apocalyptic number.

It is an amenable number.

209329212933 is a deficient number, since it is larger than the sum of its proper divisors (100066936987).

209329212933 is a wasteful number, since it uses less digits than its factorization.

209329212933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540902408 (or 540902405 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The spelling of 209329212933 in words is "two hundred nine billion, three hundred twenty-nine million, two hundred twelve thousand, nine hundred thirty-three".