12432859054477 has 4 divisors (see below), whose sum is σ = 12448656843136. Its totient is φ = 12417061265820.

The previous prime is 12432859054453. The next prime is 12432859054481. The reversal of 12432859054477 is 77445095823421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432859054477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432859054417) 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 3 ways as a sum of consecutive naturals, for example, 7898893149 + ... + 7898894722.

It is an arithmetic number, because the mean of its divisors is an integer number (3112164210784).

Almost surely, 2^{12432859054477} is an apocalyptic number.

It is an amenable number.

12432859054477 is a deficient number, since it is larger than the sum of its proper divisors (15797788659).

12432859054477 is an equidigital number, since it uses as much as digits as its factorization.

12432859054477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15797788658.

The product of its (nonzero) digits is 67737600, while the sum is 61.

The spelling of 12432859054477 in words is "twelve trillion, four hundred thirty-two billion, eight hundred fifty-nine million, fifty-four thousand, four hundred seventy-seven".