426664367 has 2 divisors, whose sum is σ = 426664368. Its totient is φ = 426664366.

The previous prime is 426664313. The next prime is 426664391. The reversal of 426664367 is 763466624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426664367 - 2¹⁶ = 426598831 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 (426664267) 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, 213332183 + 213332184.

It is an arithmetic number, because the mean of its divisors is an integer number (213332184).

Almost surely, 2^426664367 is an apocalyptic number.

426664367 is a deficient number, since it is larger than the sum of its proper divisors (1).

426664367 is an equidigital number, since it uses as much as digits as its factorization.

426664367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 44.

The square root of 426664367 is about 20655.8555136310. The cubic root of 426664367 is about 752.8274705592.

The spelling of 426664367 in words is "four hundred twenty-six million, six hundred sixty-four thousand, three hundred sixty-seven".