208813763195 has 24 divisors (see below), whose sum is σ = 259096356288. Its totient is φ = 161552398080.

The previous prime is 208813763189. The next prime is 208813763209. The reversal of 208813763195 is 591367318802.

208813763195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208813763195 - 2²⁰ = 208812714619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7448174 + ... + 7476156.

It is an arithmetic number, because the mean of its divisors is an integer number (10795681512).

Almost surely, 2^208813763195 is an apocalyptic number.

208813763195 is a deficient number, since it is larger than the sum of its proper divisors (50282593093).

208813763195 is a wasteful number, since it uses less digits than its factorization.

208813763195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29603 (or 29572 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 208813763195 in words is "two hundred eight billion, eight hundred thirteen million, seven hundred sixty-three thousand, one hundred ninety-five".