8422254060491 has 2 divisors, whose sum is σ = 8422254060492. Its totient is φ = 8422254060490.

The previous prime is 8422254060487. The next prime is 8422254060527. The reversal of 8422254060491 is 1940604522248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8422254060491 - 2² = 8422254060487 is a prime.

It is a super-2 number, since 2×8422254060491² (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 (8422254060991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211127030245 + 4211127030246.

It is an arithmetic number, because the mean of its divisors is an integer number (4211127030246).

Almost surely, 2^{8422254060491} is an apocalyptic number.

8422254060491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8422254060491 is an equidigital number, since it uses as much as digits as its factorization.

8422254060491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 8422254060491 in words is "eight trillion, four hundred twenty-two billion, two hundred fifty-four million, sixty thousand, four hundred ninety-one".