426163219 has 2 divisors, whose sum is σ = 426163220. Its totient is φ = 426163218.

The previous prime is 426163189. The next prime is 426163237. The reversal of 426163219 is 912361624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426163219 - 2¹¹ = 426161171 is a prime.

It is a super-2 number, since 2×426163219² = 363230178456883922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426163249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213081609 + 213081610.

It is an arithmetic number, because the mean of its divisors is an integer number (213081610).

Almost surely, 2^426163219 is an apocalyptic number.

426163219 is a deficient number, since it is larger than the sum of its proper divisors (1).

426163219 is an equidigital number, since it uses as much as digits as its factorization.

426163219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 426163219 is about 20643.7210550811. The cubic root of 426163219 is about 752.5326050706.

The spelling of 426163219 in words is "four hundred twenty-six million, one hundred sixty-three thousand, two hundred nineteen".