50198414129 has 2 divisors, whose sum is σ = 50198414130. Its totient is φ = 50198414128.

The previous prime is 50198414093. The next prime is 50198414159. The reversal of 50198414129 is 92141489105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42840720400 + 7357693729 = 206980^2 + 85777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50198414129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50198414129.

It is not a weakly prime, because it can be changed into another prime (50198414159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25099207064 + 25099207065.

It is an arithmetic number, because the mean of its divisors is an integer number (25099207065).

Almost surely, 2^50198414129 is an apocalyptic number.

It is an amenable number.

50198414129 is a deficient number, since it is larger than the sum of its proper divisors (1).

50198414129 is an equidigital number, since it uses as much as digits as its factorization.

50198414129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 44.

It can be divided in two parts, 5019 and 8414129, that added together give a palindrome (8419148).

The spelling of 50198414129 in words is "fifty billion, one hundred ninety-eight million, four hundred fourteen thousand, one hundred twenty-nine".