213413340443 has 2 divisors, whose sum is σ = 213413340444. Its totient is φ = 213413340442.

The previous prime is 213413340421. The next prime is 213413340451. The reversal of 213413340443 is 344043314312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213413340443 - 2⁸ = 213413340187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (213413340743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106706670221 + 106706670222.

It is an arithmetic number, because the mean of its divisors is an integer number (106706670222).

Almost surely, 2^213413340443 is an apocalyptic number.

213413340443 is a deficient number, since it is larger than the sum of its proper divisors (1).

213413340443 is an equidigital number, since it uses as much as digits as its factorization.

213413340443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 213413340443 its reverse (344043314312), we get a palindrome (557456654755).

The spelling of 213413340443 in words is "two hundred thirteen billion, four hundred thirteen million, three hundred forty thousand, four hundred forty-three".