424426563 has 12 divisors (see below), whose sum is σ = 668793528. Its totient is φ = 257228160.

The previous prime is 424426553. The next prime is 424426577. The reversal of 424426563 is 365624424.

It is not a de Polignac number, because 424426563 - 2¹⁰ = 424425539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424426553) 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 in 11 ways as a sum of consecutive naturals, for example, 2143470 + ... + 2143667.

It is an arithmetic number, because the mean of its divisors is an integer number (55732794).

Almost surely, 2^424426563 is an apocalyptic number.

424426563 is a deficient number, since it is larger than the sum of its proper divisors (244366965).

424426563 is a wasteful number, since it uses less digits than its factorization.

424426563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287154 (or 4287151 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 424426563 is about 20601.6155434471. The cubic root of 424426563 is about 751.5089991924.

The spelling of 424426563 in words is "four hundred twenty-four million, four hundred twenty-six thousand, five hundred sixty-three".