8422940418071 has 2 divisors, whose sum is σ = 8422940418072. Its totient is φ = 8422940418070.

The previous prime is 8422940418043. The next prime is 8422940418083. The reversal of 8422940418071 is 1708140492248.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8422940418071 is a prime.

It is a super-2 number, since 2×8422940418071² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8422940418031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211470209035 + 4211470209036.

It is an arithmetic number, because the mean of its divisors is an integer number (4211470209036).

Almost surely, 2^{8422940418071} is an apocalyptic number.

8422940418071 is a deficient number, since it is larger than the sum of its proper divisors (1).

8422940418071 is an equidigital number, since it uses as much as digits as its factorization.

8422940418071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 8422940418071 in words is "eight trillion, four hundred twenty-two billion, nine hundred forty million, four hundred eighteen thousand, seventy-one".