422349784819 has 2 divisors, whose sum is σ = 422349784820. Its totient is φ = 422349784818.

The previous prime is 422349784781. The next prime is 422349784853. The reversal of 422349784819 is 918487943224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422349784819 - 2¹³ = 422349776627 is a prime.

It is a super-2 number, since 2×422349784819² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422349784859) 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, 211174892409 + 211174892410.

It is an arithmetic number, because the mean of its divisors is an integer number (211174892410).

Almost surely, 2^422349784819 is an apocalyptic number.

422349784819 is a deficient number, since it is larger than the sum of its proper divisors (1).

422349784819 is an equidigital number, since it uses as much as digits as its factorization.

422349784819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27869184, while the sum is 61.

The spelling of 422349784819 in words is "four hundred twenty-two billion, three hundred forty-nine million, seven hundred eighty-four thousand, eight hundred nineteen".