32436421605 has 24 divisors (see below), whose sum is σ = 64255007232. Its totient is φ = 14828078304.

The previous prime is 32436421529. The next prime is 32436421631. The reversal of 32436421605 is 50612463423.

32436421605 is a `hidden beast` number, since 3 + 2 + 4 + 3 + 6 + 42 + 1 + 605 = 666.

It is not a de Polignac number, because 32436421605 - 2⁷ = 32436421477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32436421605.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 51486069 + ... + 51486698.

It is an arithmetic number, because the mean of its divisors is an integer number (2677291968).

Almost surely, 2^32436421605 is an apocalyptic number.

32436421605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32436421605 is a deficient number, since it is larger than the sum of its proper divisors (31818585627).

32436421605 is a wasteful number, since it uses less digits than its factorization.

32436421605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102972785 (or 102972782 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 32436421605 in words is "thirty-two billion, four hundred thirty-six million, four hundred twenty-one thousand, six hundred five".