209083193 has 4 divisors (see below), whose sum is σ = 228090768. Its totient is φ = 190075620.

The previous prime is 209083181. The next prime is 209083219. The reversal of 209083193 is 391380902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-209083193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (209082193) 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, 9503771 + ... + 9503792.

It is an arithmetic number, because the mean of its divisors is an integer number (57022692).

Almost surely, 2^209083193 is an apocalyptic number.

It is an amenable number.

209083193 is a deficient number, since it is larger than the sum of its proper divisors (19007575).

209083193 is a wasteful number, since it uses less digits than its factorization.

209083193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19007574.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 209083193 is about 14459.7092985993. The cubic root of 209083193 is about 593.5259446697.

The spelling of 209083193 in words is "two hundred nine million, eighty-three thousand, one hundred ninety-three".