50817686971 has 2 divisors, whose sum is σ = 50817686972. Its totient is φ = 50817686970.

The previous prime is 50817686929. The next prime is 50817686977. The reversal of 50817686971 is 17968671805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50817686971 - 2⁹ = 50817686459 is a prime.

It is not a weakly prime, because it can be changed into another prime (50817686977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25408843485 + 25408843486.

It is an arithmetic number, because the mean of its divisors is an integer number (25408843486).

Almost surely, 2^50817686971 is an apocalyptic number.

50817686971 is a deficient number, since it is larger than the sum of its proper divisors (1).

50817686971 is an equidigital number, since it uses as much as digits as its factorization.

50817686971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 50817686971 in words is "fifty billion, eight hundred seventeen million, six hundred eighty-six thousand, nine hundred seventy-one".