50266518361 has 2 divisors, whose sum is σ = 50266518362. Its totient is φ = 50266518360.

The previous prime is 50266518343. The next prime is 50266518413. The reversal of 50266518361 is 16381566205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29261523600 + 21004994761 = 171060^2 + 144931^2 .

It is a cyclic number.

It is not a de Polignac number, because 50266518361 - 2⁵ = 50266518329 is a prime.

It is a super-3 number, since 3×50266518361³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (50266518311) 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, 25133259180 + 25133259181.

It is an arithmetic number, because the mean of its divisors is an integer number (25133259181).

Almost surely, 2^50266518361 is an apocalyptic number.

It is an amenable number.

50266518361 is a deficient number, since it is larger than the sum of its proper divisors (1).

50266518361 is an equidigital number, since it uses as much as digits as its factorization.

50266518361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 50266518361 in words is "fifty billion, two hundred sixty-six million, five hundred eighteen thousand, three hundred sixty-one".