422513343643 has 2 divisors, whose sum is σ = 422513343644. Its totient is φ = 422513343642.

The previous prime is 422513343557. The next prime is 422513343653. The reversal of 422513343643 is 346343315224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422513343643 is a prime.

It is a super-2 number, since 2×422513343643² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422513343596 and 422513343605.

It is not a weakly prime, because it can be changed into another prime (422513343653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211256671821 + 211256671822.

It is an arithmetic number, because the mean of its divisors is an integer number (211256671822).

Almost surely, 2^422513343643 is an apocalyptic number.

422513343643 is a deficient number, since it is larger than the sum of its proper divisors (1).

422513343643 is an equidigital number, since it uses as much as digits as its factorization.

422513343643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 40.

Adding to 422513343643 its reverse (346343315224), we get a palindrome (768856658867).

The spelling of 422513343643 in words is "four hundred twenty-two billion, five hundred thirteen million, three hundred forty-three thousand, six hundred forty-three".