8422543695479 has 2 divisors, whose sum is σ = 8422543695480. Its totient is φ = 8422543695478.

The previous prime is 8422543695407. The next prime is 8422543695541. The reversal of 8422543695479 is 9745963452248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8422543695479 - 2¹² = 8422543691383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8422543695079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211271847739 + 4211271847740.

It is an arithmetic number, because the mean of its divisors is an integer number (4211271847740).

Almost surely, 2^{8422543695479} is an apocalyptic number.

8422543695479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8422543695479 is an equidigital number, since it uses as much as digits as its factorization.

8422543695479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 522547200, while the sum is 68.

The spelling of 8422543695479 in words is "eight trillion, four hundred twenty-two billion, five hundred forty-three million, six hundred ninety-five thousand, four hundred seventy-nine".