1424631663 has 48 divisors (see below), whose sum is σ = 2539467840. Its totient is φ = 749440512.

The previous prime is 1424631643. The next prime is 1424631731. The reversal of 1424631663 is 3661364241.

1424631663 is a `hidden beast` number, since 14 + 2 + 4 + 631 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 1424631663 - 2⁵ = 1424631631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424631643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 332845 + ... + 337097.

It is an arithmetic number, because the mean of its divisors is an integer number (52905580).

Almost surely, 2^1424631663 is an apocalyptic number.

1424631663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1424631663 is a deficient number, since it is larger than the sum of its proper divisors (1114836177).

1424631663 is a wasteful number, since it uses less digits than its factorization.

1424631663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688 (or 4685 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 1424631663 is about 37744.2931182980. The cubic root of 1424631663 is about 1125.2115916085.

The spelling of 1424631663 in words is "one billion, four hundred twenty-four million, six hundred thirty-one thousand, six hundred sixty-three".