12544534374 has 16 divisors (see below), whose sum is σ = 26179898112. Its totient is φ = 3999706568.

The previous prime is 12544534241. The next prime is 12544534381. The reversal of 12544534374 is 47343544521.

It is a congruent number.

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, 45451074 + ... + 45451349.

It is an arithmetic number, because the mean of its divisors is an integer number (1636243632).

Almost surely, 2^12544534374 is an apocalyptic number.

12544534374 is an abundant number, since it is smaller than the sum of its proper divisors (13635363738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12544534374 is a wasteful number, since it uses less digits than its factorization.

12544534374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90902451.

The product of its digits is 806400, while the sum is 42.

The spelling of 12544534374 in words is "twelve billion, five hundred forty-four million, five hundred thirty-four thousand, three hundred seventy-four".