424133669 has 2 divisors, whose sum is σ = 424133670. Its totient is φ = 424133668.

The previous prime is 424133641. The next prime is 424133693. The reversal of 424133669 is 966331424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224250625 + 199883044 = 14975^2 + 14138^2 .

It is a cyclic number.

It is not a de Polignac number, because 424133669 - 2²⁰ = 423085093 is a prime.

It is a super-2 number, since 2×424133669² = 359778738358803122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424133609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212066834 + 212066835.

It is an arithmetic number, because the mean of its divisors is an integer number (212066835).

Almost surely, 2^424133669 is an apocalyptic number.

It is an amenable number.

424133669 is a deficient number, since it is larger than the sum of its proper divisors (1).

424133669 is an equidigital number, since it uses as much as digits as its factorization.

424133669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 38.

The square root of 424133669 is about 20594.5057964497. The cubic root of 424133669 is about 751.3360889270.

The spelling of 424133669 in words is "four hundred twenty-four million, one hundred thirty-three thousand, six hundred sixty-nine".