50136136243 has 2 divisors, whose sum is σ = 50136136244. Its totient is φ = 50136136242.

The previous prime is 50136136201. The next prime is 50136136261. The reversal of 50136136243 is 34263163105.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50136136243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50136136199 and 50136136208.

It is not a weakly prime, because it can be changed into another prime (50136136283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25068068121 + 25068068122.

It is an arithmetic number, because the mean of its divisors is an integer number (25068068122).

Almost surely, 2^50136136243 is an apocalyptic number.

50136136243 is a deficient number, since it is larger than the sum of its proper divisors (1).

50136136243 is an equidigital number, since it uses as much as digits as its factorization.

50136136243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 50136136243 its reverse (34263163105), we get a palindrome (84399299348).

The spelling of 50136136243 in words is "fifty billion, one hundred thirty-six million, one hundred thirty-six thousand, two hundred forty-three".