12432859054479 has 16 divisors (see below), whose sum is σ = 18420743347200. Its totient is φ = 8287810899768.

The previous prime is 12432859054453. The next prime is 12432859054481. The reversal of 12432859054479 is 97445095823421.

It is a happy number.

12432859054479 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 2 + 85 + 9 + 0 + 544 + 7 + 9 = 666.

It is not a de Polignac number, because 12432859054479 - 2¹⁶ = 12432858988943 is a prime.

It is a super-2 number, since 2×12432859054479² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432859054439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20861919 + ... + 21449600.

It is an arithmetic number, because the mean of its divisors is an integer number (1151296459200).

Almost surely, 2^{12432859054479} is an apocalyptic number.

12432859054479 is a deficient number, since it is larger than the sum of its proper divisors (5987884292721).

12432859054479 is a wasteful number, since it uses less digits than its factorization.

12432859054479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42322411 (or 42322405 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 12432859054479 in words is "twelve trillion, four hundred thirty-two billion, eight hundred fifty-nine million, fifty-four thousand, four hundred seventy-nine".