211412376193 has 4 divisors (see below), whose sum is σ = 223848398340. Its totient is φ = 198976354048.

The previous prime is 211412376191. The next prime is 211412376221. The reversal of 211412376193 is 391673214112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179960063089 + 31452313104 = 424217^2 + 177348^2 .

It is a cyclic number.

It is not a de Polignac number, because 211412376193 - 2¹ = 211412376191 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211412376191) 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, 6218011048 + ... + 6218011081.

It is an arithmetic number, because the mean of its divisors is an integer number (55962099585).

Almost surely, 2^211412376193 is an apocalyptic number.

It is an amenable number.

211412376193 is a deficient number, since it is larger than the sum of its proper divisors (12436022147).

211412376193 is a wasteful number, since it uses less digits than its factorization.

211412376193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12436022146.

The product of its digits is 54432, while the sum is 40.

The spelling of 211412376193 in words is "two hundred eleven billion, four hundred twelve million, three hundred seventy-six thousand, one hundred ninety-three".