211300094009 has 2 divisors, whose sum is σ = 211300094010. Its totient is φ = 211300094008.

The previous prime is 211300093993. The next prime is 211300094011. The reversal of 211300094009 is 900490003112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170447599609 + 40852494400 = 412853^2 + 202120^2 .

It is a cyclic number.

It is not a de Polignac number, because 211300094009 - 2⁴ = 211300093993 is a prime.

Together with 211300094011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211300094029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105650047004 + 105650047005.

It is an arithmetic number, because the mean of its divisors is an integer number (105650047005).

Almost surely, 2^211300094009 is an apocalyptic number.

It is an amenable number.

211300094009 is a deficient number, since it is larger than the sum of its proper divisors (1).

211300094009 is an equidigital number, since it uses as much as digits as its factorization.

211300094009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 211300094009 in words is "two hundred eleven billion, three hundred million, ninety-four thousand, nine".