6243127050991 has 2 divisors, whose sum is σ = 6243127050992. Its totient is φ = 6243127050990.

The previous prime is 6243127050929. The next prime is 6243127051001. The reversal of 6243127050991 is 1990507213426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6243127050991 - 2¹⁵ = 6243127018223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6243127050911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121563525495 + 3121563525496.

It is an arithmetic number, because the mean of its divisors is an integer number (3121563525496).

Almost surely, 2^{6243127050991} is an apocalyptic number.

6243127050991 is a deficient number, since it is larger than the sum of its proper divisors (1).

6243127050991 is an equidigital number, since it uses as much as digits as its factorization.

6243127050991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 6243127050991 in words is "six trillion, two hundred forty-three billion, one hundred twenty-seven million, fifty thousand, nine hundred ninety-one".