12435644934 has 16 divisors (see below), whose sum is σ = 27634766640. Its totient is φ = 4145214960.

The previous prime is 12435644917. The next prime is 12435644957. The reversal of 12435644934 is 43944653421.

12435644934 is a `hidden beast` number, since 1 + 2 + 43 + 564 + 49 + 3 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12435644934.

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, 115144807 + ... + 115144914.

It is an arithmetic number, because the mean of its divisors is an integer number (1727172915).

Almost surely, 2^12435644934 is an apocalyptic number.

12435644934 is an abundant number, since it is smaller than the sum of its proper divisors (15199121706).

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

12435644934 is a wasteful number, since it uses less digits than its factorization.

12435644934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230289732 (or 230289726 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 12435644934 in words is "twelve billion, four hundred thirty-five million, six hundred forty-four thousand, nine hundred thirty-four".