209319031933 has 8 divisors (see below), whose sum is σ = 230565007296. Its totient is φ = 188442552000.

The previous prime is 209319031913. The next prime is 209319031939. The reversal of 209319031933 is 339130913902.

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 209319031933 - 2¹³ = 209319023741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 209319031933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209319031939) 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, 92372668 + ... + 92374933.

It is an arithmetic number, because the mean of its divisors is an integer number (28820625912).

Almost surely, 2^209319031933 is an apocalyptic number.

It is an amenable number.

209319031933 is a deficient number, since it is larger than the sum of its proper divisors (21245975363).

209319031933 is a wasteful number, since it uses less digits than its factorization.

209319031933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184747715.

The product of its (nonzero) digits is 118098, while the sum is 43.

The spelling of 209319031933 in words is "two hundred nine billion, three hundred nineteen million, thirty-one thousand, nine hundred thirty-three".