424818368213 has 2 divisors, whose sum is σ = 424818368214. Its totient is φ = 424818368212.

The previous prime is 424818368197. The next prime is 424818368239. The reversal of 424818368213 is 312863818424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290669783044 + 134148585169 = 539138^2 + 366263^2 .

It is a cyclic number.

It is not a de Polignac number, because 424818368213 - 2⁴ = 424818368197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424818968213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212409184106 + 212409184107.

It is an arithmetic number, because the mean of its divisors is an integer number (212409184107).

Almost surely, 2^424818368213 is an apocalyptic number.

It is an amenable number.

424818368213 is a deficient number, since it is larger than the sum of its proper divisors (1).

424818368213 is an equidigital number, since it uses as much as digits as its factorization.

424818368213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1769472, while the sum is 50.

The spelling of 424818368213 in words is "four hundred twenty-four billion, eight hundred eighteen million, three hundred sixty-eight thousand, two hundred thirteen".