12459431427629 has 8 divisors (see below), whose sum is σ = 13192822232568. Its totient is φ = 11726094297600.

The previous prime is 12459431427623. The next prime is 12459431427643. The reversal of 12459431427629 is 92672413495421.

It can be written as a sum of positive squares in 4 ways, for example, as 2302290328900 + 10157141098729 = 1517330^2 + 3187027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12459431427629 - 2²⁴ = 12459414650413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12459431427623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12940322 + ... + 13869779.

It is an arithmetic number, because the mean of its divisors is an integer number (1649102779071).

Almost surely, 2^{12459431427629} is an apocalyptic number.

It is an amenable number.

12459431427629 is a deficient number, since it is larger than the sum of its proper divisors (733390804939).

12459431427629 is a wasteful number, since it uses less digits than its factorization.

12459431427629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26837455.

The product of its digits is 26127360, while the sum is 59.

The spelling of 12459431427629 in words is "twelve trillion, four hundred fifty-nine billion, four hundred thirty-one million, four hundred twenty-seven thousand, six hundred twenty-nine".