50356356191 has 2 divisors, whose sum is σ = 50356356192. Its totient is φ = 50356356190.

The previous prime is 50356356173. The next prime is 50356356229. The reversal of 50356356191 is 19165365305.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50356356191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50356316191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25178178095 + 25178178096.

It is an arithmetic number, because the mean of its divisors is an integer number (25178178096).

Almost surely, 2^50356356191 is an apocalyptic number.

50356356191 is a deficient number, since it is larger than the sum of its proper divisors (1).

50356356191 is an equidigital number, since it uses as much as digits as its factorization.

50356356191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 364500, while the sum is 44.

The spelling of 50356356191 in words is "fifty billion, three hundred fifty-six million, three hundred fifty-six thousand, one hundred ninety-one".