213433334033 has 2 divisors, whose sum is σ = 213433334034. Its totient is φ = 213433334032.

The previous prime is 213433333987. The next prime is 213433334039. The reversal of 213433334033 is 330433334312.

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., 205142867329 + 8290466704 = 452927^2 + 91052^2 .

It is a cyclic number.

It is not a de Polignac number, because 213433334033 - 2⁶ = 213433333969 is a prime.

It is not a weakly prime, because it can be changed into another prime (213433334039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106716667016 + 106716667017.

It is an arithmetic number, because the mean of its divisors is an integer number (106716667017).

Almost surely, 2^213433334033 is an apocalyptic number.

It is an amenable number.

213433334033 is a deficient number, since it is larger than the sum of its proper divisors (1).

213433334033 is an equidigital number, since it uses as much as digits as its factorization.

213433334033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 32.

Adding to 213433334033 its reverse (330433334312), we get a palindrome (543866668345).

The spelling of 213433334033 in words is "two hundred thirteen billion, four hundred thirty-three million, three hundred thirty-four thousand, thirty-three".