209098095 has 16 divisors (see below), whose sum is σ = 336691680. Its totient is φ = 110807424.

The previous prime is 209098081. The next prime is 209098151. The reversal of 209098095 is 590890902.

It is not a de Polignac number, because 209098095 - 2¹¹ = 209096047 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 42040 + ... + 46749.

It is an arithmetic number, because the mean of its divisors is an integer number (21043230).

Almost surely, 2^209098095 is an apocalyptic number.

209098095 is a deficient number, since it is larger than the sum of its proper divisors (127593585).

209098095 is a wasteful number, since it uses less digits than its factorization.

209098095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88954.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 209098095 is about 14460.2245833182. The cubic root of 209098095 is about 593.5400451391.

The spelling of 209098095 in words is "two hundred nine million, ninety-eight thousand, ninety-five".