50303443121 has 2 divisors, whose sum is σ = 50303443122. Its totient is φ = 50303443120.

The previous prime is 50303443111. The next prime is 50303443133. The reversal of 50303443121 is 12134430305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47889194896 + 2414248225 = 218836^2 + 49135^2 .

It is a cyclic number.

It is not a de Polignac number, because 50303443121 - 2¹⁴ = 50303426737 is a prime.

It is not a weakly prime, because it can be changed into another prime (50303443111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25151721560 + 25151721561.

It is an arithmetic number, because the mean of its divisors is an integer number (25151721561).

Almost surely, 2^50303443121 is an apocalyptic number.

It is an amenable number.

50303443121 is a deficient number, since it is larger than the sum of its proper divisors (1).

50303443121 is an equidigital number, since it uses as much as digits as its factorization.

50303443121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 50303443121 its reverse (12134430305), we get a palindrome (62437873426).

The spelling of 50303443121 in words is "fifty billion, three hundred three million, four hundred forty-three thousand, one hundred twenty-one".