50191734817 has 4 divisors (see below), whose sum is σ = 57361982656. Its totient is φ = 43021486980.

The previous prime is 50191734811. The next prime is 50191734893. The reversal of 50191734817 is 71843719105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50191734817 - 2⁷ = 50191734689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50191734811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585123909 + ... + 3585123922.

It is an arithmetic number, because the mean of its divisors is an integer number (14340495664).

Almost surely, 2^50191734817 is an apocalyptic number.

It is an amenable number.

50191734817 is a deficient number, since it is larger than the sum of its proper divisors (7170247839).

50191734817 is an equidigital number, since it uses as much as digits as its factorization.

50191734817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170247838.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 50191734817 in words is "fifty billion, one hundred ninety-one million, seven hundred thirty-four thousand, eight hundred seventeen".