424442663 has 2 divisors, whose sum is σ = 424442664. Its totient is φ = 424442662.

The previous prime is 424442657. The next prime is 424442671. The reversal of 424442663 is 366244424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424442663 - 2⁸ = 424442407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424442633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212221331 + 212221332.

It is an arithmetic number, because the mean of its divisors is an integer number (212221332).

Almost surely, 2^424442663 is an apocalyptic number.

424442663 is a deficient number, since it is larger than the sum of its proper divisors (1).

424442663 is an equidigital number, since it uses as much as digits as its factorization.

424442663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 35.

The square root of 424442663 is about 20602.0062857965. The cubic root of 424442663 is about 751.5185015366.

The spelling of 424442663 in words is "four hundred twenty-four million, four hundred forty-two thousand, six hundred sixty-three".