50343134010991 has 2 divisors, whose sum is σ = 50343134010992. Its totient is φ = 50343134010990.

The previous prime is 50343134010989. The next prime is 50343134011073. The reversal of 50343134010991 is 19901043134305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50343134010991 - 2¹ = 50343134010989 is a prime.

It is a super-2 number, since 2×50343134010991² (a number of 28 digits) contains 22 as substring.

Together with 50343134010989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50343134010901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25171567005495 + 25171567005496.

It is an arithmetic number, because the mean of its divisors is an integer number (25171567005496).

Almost surely, 2^{50343134010991} is an apocalyptic number.

50343134010991 is a deficient number, since it is larger than the sum of its proper divisors (1).

50343134010991 is an equidigital number, since it uses as much as digits as its factorization.

50343134010991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 50343134010991 in words is "fifty trillion, three hundred forty-three billion, one hundred thirty-four million, ten thousand, nine hundred ninety-one".