50205213853 has 2 divisors, whose sum is σ = 50205213854. Its totient is φ = 50205213852.

The previous prime is 50205213847. The next prime is 50205213887. The reversal of 50205213853 is 35831250205.

It is an a-pointer prime, because the next prime (50205213887) can be obtained adding 50205213853 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32131638009 + 18073575844 = 179253^2 + 134438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50205213853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50205213803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25102606926 + 25102606927.

It is an arithmetic number, because the mean of its divisors is an integer number (25102606927).

Almost surely, 2^50205213853 is an apocalyptic number.

It is an amenable number.

50205213853 is a deficient number, since it is larger than the sum of its proper divisors (1).

50205213853 is an equidigital number, since it uses as much as digits as its factorization.

50205213853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 50205213853 in words is "fifty billion, two hundred five million, two hundred thirteen thousand, eight hundred fifty-three".