50181420363709 has 2 divisors, whose sum is σ = 50181420363710. Its totient is φ = 50181420363708.

The previous prime is 50181420363691. The next prime is 50181420363719. The reversal of 50181420363709 is 90736302418105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50055313700484 + 126106663225 = 7074978^2 + 355115^2 .

It is a cyclic number.

It is not a de Polignac number, because 50181420363709 - 2¹⁷ = 50181420232637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50181420363719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25090710181854 + 25090710181855.

It is an arithmetic number, because the mean of its divisors is an integer number (25090710181855).

It is a 1-persistent number, because it is pandigital, but 2⋅50181420363709 = 100362840727418 is not.

Almost surely, 2^{50181420363709} is an apocalyptic number.

It is an amenable number.

50181420363709 is a deficient number, since it is larger than the sum of its proper divisors (1).

50181420363709 is an equidigital number, since it uses as much as digits as its factorization.

50181420363709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 50181420363709 in words is "fifty trillion, one hundred eighty-one billion, four hundred twenty million, three hundred sixty-three thousand, seven hundred nine".