424245663 has 12 divisors (see below), whose sum is σ = 629361928. Its totient is φ = 275186160.

The previous prime is 424245643. The next prime is 424245677. The reversal of 424245663 is 366542424.

It is not a de Polignac number, because 424245663 - 2⁶ = 424245599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424245643) 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 in 11 ways as a sum of consecutive naturals, for example, 636673 + ... + 637338.

Almost surely, 2^424245663 is an apocalyptic number.

424245663 is a deficient number, since it is larger than the sum of its proper divisors (205116265).

424245663 is a wasteful number, since it uses less digits than its factorization.

424245663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274054 (or 1274051 counting only the distinct ones).

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

The square root of 424245663 is about 20597.2246431406. The cubic root of 424245663 is about 751.4022140937.

The spelling of 424245663 in words is "four hundred twenty-four million, two hundred forty-five thousand, six hundred sixty-three".