12463431309 has 48 divisors (see below), whose sum is σ = 21737903040. Its totient is φ = 7036092000.

The previous prime is 12463431271. The next prime is 12463431313. The reversal of 12463431309 is 90313436421.

12463431309 is a `hidden beast` number, since 1 + 2 + 4 + 6 + 343 + 1 + 309 = 666.

It is not a de Polignac number, because 12463431309 - 2²⁰ = 12462382733 is a prime.

It is a super-2 number, since 2×12463431309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12463431319) 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 47 ways as a sum of consecutive naturals, for example, 53059 + ... + 166559.

It is an arithmetic number, because the mean of its divisors is an integer number (452872980).

Almost surely, 2^12463431309 is an apocalyptic number.

It is an amenable number.

12463431309 is a deficient number, since it is larger than the sum of its proper divisors (9274471731).

12463431309 is a wasteful number, since it uses less digits than its factorization.

12463431309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113607 (or 113594 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 12463431309 in words is "twelve billion, four hundred sixty-three million, four hundred thirty-one thousand, three hundred nine".