867493913133611 has 2 divisors, whose sum is σ = 867493913133612. Its totient is φ = 867493913133610.

The previous prime is 867493913133583. The next prime is 867493913133613. The reversal of 867493913133611 is 116331319394768.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-867493913133611 is a prime.

Together with 867493913133613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (867493913133613) 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, 433746956566805 + 433746956566806.

It is an arithmetic number, because the mean of its divisors is an integer number (433746956566806).

Almost surely, 2^{867493913133611} is an apocalyptic number.

867493913133611 is a deficient number, since it is larger than the sum of its proper divisors (1).

867493913133611 is an equidigital number, since it uses as much as digits as its factorization.

867493913133611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52907904, while the sum is 65.

The spelling of 867493913133611 in words is "eight hundred sixty-seven trillion, four hundred ninety-three billion, nine hundred thirteen million, one hundred thirty-three thousand, six hundred eleven".