12438410439 has 96 divisors (see below), whose sum is σ = 22200487680. Its totient is φ = 6121640448.

The previous prime is 12438410431. The next prime is 12438410441. The reversal of 12438410439 is 93401483421.

12438410439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12438410439 - 2³ = 12438410431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 12438410397 and 12438410406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12438410431) 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 95 ways as a sum of consecutive naturals, for example, 2430147 + ... + 2435259.

It is an arithmetic number, because the mean of its divisors is an integer number (231255080).

Almost surely, 2^12438410439 is an apocalyptic number.

12438410439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12438410439 is a deficient number, since it is larger than the sum of its proper divisors (9762077241).

12438410439 is a wasteful number, since it uses less digits than its factorization.

12438410439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229 (or 5222 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 12438410439 in words is "twelve billion, four hundred thirty-eight million, four hundred ten thousand, four hundred thirty-nine".