50191734893 has 2 divisors, whose sum is σ = 50191734894. Its totient is φ = 50191734892.

The previous prime is 50191734811. The next prime is 50191734899. The reversal of 50191734893 is 39843719105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42496585609 + 7695149284 = 206147^2 + 87722^2 .

It is a cyclic number.

It is not a de Polignac number, because 50191734893 - 2¹⁰ = 50191733869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50191734899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25095867446 + 25095867447.

It is an arithmetic number, because the mean of its divisors is an integer number (25095867447).

Almost surely, 2^50191734893 is an apocalyptic number.

It is an amenable number.

50191734893 is a deficient number, since it is larger than the sum of its proper divisors (1).

50191734893 is an equidigital number, since it uses as much as digits as its factorization.

50191734893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 50191734893 in words is "fifty billion, one hundred ninety-one million, seven hundred thirty-four thousand, eight hundred ninety-three".