210050538361 has 2 divisors, whose sum is σ = 210050538362. Its totient is φ = 210050538360.

The previous prime is 210050538359. The next prime is 210050538407. The reversal of 210050538361 is 163835050012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174807610000 + 35242928361 = 418100^2 + 187731^2 .

It is a cyclic number.

It is not a de Polignac number, because 210050538361 - 2¹ = 210050538359 is a prime.

Together with 210050538359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (210050538961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105025269180 + 105025269181.

It is an arithmetic number, because the mean of its divisors is an integer number (105025269181).

Almost surely, 2^210050538361 is an apocalyptic number.

It is an amenable number.

210050538361 is a deficient number, since it is larger than the sum of its proper divisors (1).

210050538361 is an equidigital number, since it uses as much as digits as its factorization.

210050538361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 210050538361 its reverse (163835050012), we get a palindrome (373885588373).

The spelling of 210050538361 in words is "two hundred ten billion, fifty million, five hundred thirty-eight thousand, three hundred sixty-one".