50365728238481 has 2 divisors, whose sum is σ = 50365728238482. Its totient is φ = 50365728238480.

The previous prime is 50365728238453. The next prime is 50365728238531. The reversal of 50365728238481 is 18483282756305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33265394323456 + 17100333915025 = 5767616^2 + 4135255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50365728238481 is a prime.

It is a super-2 number, since 2×50365728238481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50365728238411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25182864119240 + 25182864119241.

It is an arithmetic number, because the mean of its divisors is an integer number (25182864119241).

Almost surely, 2^{50365728238481} is an apocalyptic number.

It is an amenable number.

50365728238481 is a deficient number, since it is larger than the sum of its proper divisors (1).

50365728238481 is an equidigital number, since it uses as much as digits as its factorization.

50365728238481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 50365728238481 in words is "fifty trillion, three hundred sixty-five billion, seven hundred twenty-eight million, two hundred thirty-eight thousand, four hundred eighty-one".