210853912195 has 4 divisors (see below), whose sum is σ = 253024694640. Its totient is φ = 168683129752.

The previous prime is 210853912147. The next prime is 210853912201. The reversal of 210853912195 is 591219358012.

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 210853912195 - 2²⁵ = 210820357763 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, 21085391215 + ... + 21085391224.

It is an arithmetic number, because the mean of its divisors is an integer number (63256173660).

Almost surely, 2^210853912195 is an apocalyptic number.

210853912195 is a deficient number, since it is larger than the sum of its proper divisors (42170782445).

210853912195 is an equidigital number, since it uses as much as digits as its factorization.

210853912195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42170782444.

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 210853912195 in words is "two hundred ten billion, eight hundred fifty-three million, nine hundred twelve thousand, one hundred ninety-five".