208900850195 has 4 divisors (see below), whose sum is σ = 250681020240. Its totient is φ = 167120680152.

The previous prime is 208900850177. The next prime is 208900850231. The reversal of 208900850195 is 591058009802.

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 208900850195 - 2⁸ = 208900849939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20890085015 + ... + 20890085024.

It is an arithmetic number, because the mean of its divisors is an integer number (62670255060).

Almost surely, 2^208900850195 is an apocalyptic number.

208900850195 is a deficient number, since it is larger than the sum of its proper divisors (41780170045).

208900850195 is an equidigital number, since it uses as much as digits as its factorization.

208900850195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41780170044.

The product of its (nonzero) digits is 259200, while the sum is 47.

Adding to 208900850195 its reverse (591058009802), we get a palindrome (799958859997).

The spelling of 208900850195 in words is "two hundred eight billion, nine hundred million, eight hundred fifty thousand, one hundred ninety-five".