209047530682 has 16 divisors (see below), whose sum is σ = 314795405952. Its totient is φ = 104116001760.

The previous prime is 209047530667. The next prime is 209047530691. The reversal of 209047530682 is 286035740902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499382 + ... + 1632862.

It is an arithmetic number, because the mean of its divisors is an integer number (19674712872).

Almost surely, 2^209047530682 is an apocalyptic number.

209047530682 is a deficient number, since it is larger than the sum of its proper divisors (105747875270).

209047530682 is a wasteful number, since it uses less digits than its factorization.

209047530682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136533.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 209047530682 in words is "two hundred nine billion, forty-seven million, five hundred thirty thousand, six hundred eighty-two".