12431334663 has 36 divisors (see below), whose sum is σ = 19847744280. Its totient is φ = 7491934560.

The previous prime is 12431334659. The next prime is 12431334697. The reversal of 12431334663 is 36643313421.

12431334663 is a `hidden beast` number, since 1 + 243 + 13 + 346 + 63 = 666.

It is not a de Polignac number, because 12431334663 - 2² = 12431334659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431334163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 163045 + ... + 226817.

It is an arithmetic number, because the mean of its divisors is an integer number (551326230).

Almost surely, 2^12431334663 is an apocalyptic number.

12431334663 is a deficient number, since it is larger than the sum of its proper divisors (7416409617).

12431334663 is a wasteful number, since it uses less digits than its factorization.

12431334663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63980 (or 63966 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The spelling of 12431334663 in words is "twelve billion, four hundred thirty-one million, three hundred thirty-four thousand, six hundred sixty-three".