8746216980491 has 2 divisors, whose sum is σ = 8746216980492. Its totient is φ = 8746216980490.

The previous prime is 8746216980463. The next prime is 8746216980497. The reversal of 8746216980491 is 1940896126478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8746216980491 is a prime.

It is a super-2 number, since 2×8746216980491² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8746216980497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4373108490245 + 4373108490246.

It is an arithmetic number, because the mean of its divisors is an integer number (4373108490246).

Almost surely, 2^{8746216980491} is an apocalyptic number.

8746216980491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8746216980491 is an equidigital number, since it uses as much as digits as its factorization.

8746216980491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 65.

The spelling of 8746216980491 in words is "eight trillion, seven hundred forty-six billion, two hundred sixteen million, nine hundred eighty thousand, four hundred ninety-one".