422842740791 has 2 divisors, whose sum is σ = 422842740792. Its totient is φ = 422842740790.

The previous prime is 422842740787. The next prime is 422842740809. The reversal of 422842740791 is 197047248224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422842740791 - 2² = 422842740787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422842740721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211421370395 + 211421370396.

It is an arithmetic number, because the mean of its divisors is an integer number (211421370396).

Almost surely, 2^422842740791 is an apocalyptic number.

422842740791 is a deficient number, since it is larger than the sum of its proper divisors (1).

422842740791 is an equidigital number, since it uses as much as digits as its factorization.

422842740791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 422842740791 in words is "four hundred twenty-two billion, eight hundred forty-two million, seven hundred forty thousand, seven hundred ninety-one".