213242332200473 has 2 divisors, whose sum is σ = 213242332200474. Its totient is φ = 213242332200472.

The previous prime is 213242332200379. The next prime is 213242332200479. The reversal of 213242332200473 is 374002233242312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107160839829904 + 106081492370569 = 10351852^2 + 10299587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213242332200473 is a prime.

It is a super-2 number, since 2×213242332200473² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (213242332200479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106621166100236 + 106621166100237.

It is an arithmetic number, because the mean of its divisors is an integer number (106621166100237).

Almost surely, 2^{213242332200473} is an apocalyptic number.

It is an amenable number.

213242332200473 is a deficient number, since it is larger than the sum of its proper divisors (1).

213242332200473 is an equidigital number, since it uses as much as digits as its factorization.

213242332200473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 38.

Adding to 213242332200473 its reverse (374002233242312), we get a palindrome (587244565442785).

The spelling of 213242332200473 in words is "two hundred thirteen trillion, two hundred forty-two billion, three hundred thirty-two million, two hundred thousand, four hundred seventy-three".