211942346163 has 4 divisors (see below), whose sum is σ = 282589794888. Its totient is φ = 141294897440.

The previous prime is 211942346141. The next prime is 211942346167. The reversal of 211942346163 is 361643249112.

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 211942346163 - 2¹⁸ = 211942084019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211942346167) 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, 35323724358 + ... + 35323724363.

It is an arithmetic number, because the mean of its divisors is an integer number (70647448722).

Almost surely, 2^211942346163 is an apocalyptic number.

211942346163 is a deficient number, since it is larger than the sum of its proper divisors (70647448725).

211942346163 is an equidigital number, since it uses as much as digits as its factorization.

211942346163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70647448724.

The product of its digits is 186624, while the sum is 42.

The spelling of 211942346163 in words is "two hundred eleven billion, nine hundred forty-two million, three hundred forty-six thousand, one hundred sixty-three".