426438671 has 2 divisors, whose sum is σ = 426438672. Its totient is φ = 426438670.

The previous prime is 426438631. The next prime is 426438713. The reversal of 426438671 is 176834624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426438671 - 2¹⁴ = 426422287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426438601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213219335 + 213219336.

It is an arithmetic number, because the mean of its divisors is an integer number (213219336).

Almost surely, 2^426438671 is an apocalyptic number.

426438671 is a deficient number, since it is larger than the sum of its proper divisors (1).

426438671 is an equidigital number, since it uses as much as digits as its factorization.

426438671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 426438671 is about 20650.3915459247. The cubic root of 426438671 is about 752.6947041270.

The spelling of 426438671 in words is "four hundred twenty-six million, four hundred thirty-eight thousand, six hundred seventy-one".