424643353 has 4 divisors (see below), whose sum is σ = 428766208. Its totient is φ = 420520500.

The previous prime is 424643341. The next prime is 424643371. The reversal of 424643353 is 353346424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424643353 - 2²⁵ = 391088921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424643333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061273 + ... + 2061478.

It is an arithmetic number, because the mean of its divisors is an integer number (107191552).

Almost surely, 2^424643353 is an apocalyptic number.

It is an amenable number.

424643353 is a deficient number, since it is larger than the sum of its proper divisors (4122855).

424643353 is a wasteful number, since it uses less digits than its factorization.

424643353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122854.

The product of its digits is 103680, while the sum is 34.

The square root of 424643353 is about 20606.8763523247. The cubic root of 424643353 is about 751.6369301618.

Adding to 424643353 its reverse (353346424), we get a palindrome (777989777).

The spelling of 424643353 in words is "four hundred twenty-four million, six hundred forty-three thousand, three hundred fifty-three".