12559386434 has 16 divisors (see below), whose sum is σ = 21531817536. Its totient is φ = 5382234000.

The previous prime is 12559386421. The next prime is 12559386481. The reversal of 12559386434 is 43468395521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376724 + ... + 408704.

It is an arithmetic number, because the mean of its divisors is an integer number (1345738596).

Almost surely, 2^12559386434 is an apocalyptic number.

12559386434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12559386434 is a deficient number, since it is larger than the sum of its proper divisors (8972431102).

12559386434 is a wasteful number, since it uses less digits than its factorization.

12559386434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60041.

The product of its digits is 3110400, while the sum is 50.

The spelling of 12559386434 in words is "twelve billion, five hundred fifty-nine million, three hundred eighty-six thousand, four hundred thirty-four".