211443413234 has 4 divisors (see below), whose sum is σ = 317165119854. Its totient is φ = 105721706616.

The previous prime is 211443413141. The next prime is 211443413257. The reversal of 211443413234 is 432314344112.

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

It can be written as a sum of positive squares in only one way, i.e., 130245201025 + 81198212209 = 360895^2 + 284953^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211443413234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52860853307 + ... + 52860853310.

Almost surely, 2^211443413234 is an apocalyptic number.

211443413234 is a deficient number, since it is larger than the sum of its proper divisors (105721706620).

211443413234 is a wasteful number, since it uses less digits than its factorization.

211443413234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105721706619.

The product of its digits is 27648, while the sum is 32.

Adding to 211443413234 its reverse (432314344112), we get a palindrome (643757757346).

The spelling of 211443413234 in words is "two hundred eleven billion, four hundred forty-three million, four hundred thirteen thousand, two hundred thirty-four".