426442063 has 2 divisors, whose sum is σ = 426442064. Its totient is φ = 426442062.

The previous prime is 426442043. The next prime is 426442087. The reversal of 426442063 is 360244624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426442063 - 2²¹ = 424344911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426442043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213221031 + 213221032.

It is an arithmetic number, because the mean of its divisors is an integer number (213221032).

Almost surely, 2^426442063 is an apocalyptic number.

426442063 is a deficient number, since it is larger than the sum of its proper divisors (1).

426442063 is an equidigital number, since it uses as much as digits as its factorization.

426442063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 426442063 is about 20650.4736749548. The cubic root of 426442063 is about 752.6966998291.

Adding to 426442063 its reverse (360244624), we get a palindrome (786686687).

The spelling of 426442063 in words is "four hundred twenty-six million, four hundred forty-two thousand, sixty-three".