50121327073 has 2 divisors, whose sum is σ = 50121327074. Its totient is φ = 50121327072.

The previous prime is 50121327043. The next prime is 50121327133. The reversal of 50121327073 is 37072312105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32534058384 + 17587268689 = 180372^2 + 132617^2 .

It is a cyclic number.

It is not a de Polignac number, because 50121327073 - 2⁵ = 50121327041 is a prime.

It is not a weakly prime, because it can be changed into another prime (50121327043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25060663536 + 25060663537.

It is an arithmetic number, because the mean of its divisors is an integer number (25060663537).

Almost surely, 2^50121327073 is an apocalyptic number.

It is an amenable number.

50121327073 is a deficient number, since it is larger than the sum of its proper divisors (1).

50121327073 is an equidigital number, since it uses as much as digits as its factorization.

50121327073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 31.

Adding to 50121327073 its reverse (37072312105), we get a palindrome (87193639178).

The spelling of 50121327073 in words is "fifty billion, one hundred twenty-one million, three hundred twenty-seven thousand, seventy-three".