5050121789 has 2 divisors, whose sum is σ = 5050121790. Its totient is φ = 5050121788.

The previous prime is 5050121773. The next prime is 5050121821. The reversal of 5050121789 is 9871210505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3229648900 + 1820472889 = 56830^2 + 42667^2 .

It is a cyclic number.

It is not a de Polignac number, because 5050121789 - 2⁴ = 5050121773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5050151789) 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, 2525060894 + 2525060895.

It is an arithmetic number, because the mean of its divisors is an integer number (2525060895).

Almost surely, 2^5050121789 is an apocalyptic number.

It is an amenable number.

5050121789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5050121789 is an equidigital number, since it uses as much as digits as its factorization.

5050121789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 5050121789 is about 71064.2089170069. The cubic root of 5050121789 is about 1715.6707634677.

The spelling of 5050121789 in words is "five billion, fifty million, one hundred twenty-one thousand, seven hundred eighty-nine".