209716008083 has 4 divisors (see below), whose sum is σ = 210083287128. Its totient is φ = 209348729040.

The previous prime is 209716008079. The next prime is 209716008121. The reversal of 209716008083 is 380800617902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 209716008083 - 2² = 209716008079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (209716008053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183638666 + ... + 183639807.

It is an arithmetic number, because the mean of its divisors is an integer number (52520821782).

Almost surely, 2^209716008083 is an apocalyptic number.

209716008083 is a deficient number, since it is larger than the sum of its proper divisors (367279045).

209716008083 is an equidigital number, since it uses as much as digits as its factorization.

209716008083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367279044.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 209716008083 in words is "two hundred nine billion, seven hundred sixteen million, eight thousand, eighty-three".