209293049293 has 8 divisors (see below), whose sum is σ = 220435049120. Its totient is φ = 198163707120.

The previous prime is 209293049281. The next prime is 209293049347. The reversal of 209293049293 is 392940392902.

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 209293049293 - 2³³ = 200703114701 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 209293049293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209293049243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130455 + ... + 3196612.

It is an arithmetic number, because the mean of its divisors is an integer number (27554381140).

Almost surely, 2^209293049293 is an apocalyptic number.

It is an amenable number.

209293049293 is a deficient number, since it is larger than the sum of its proper divisors (11141999827).

209293049293 is a wasteful number, since it uses less digits than its factorization.

209293049293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328827.

The product of its (nonzero) digits is 1889568, while the sum is 52.

The spelling of 209293049293 in words is "two hundred nine billion, two hundred ninety-three million, forty-nine thousand, two hundred ninety-three".