32099638490728 has 8 divisors (see below), whose sum is σ = 60186822170130. Its totient is φ = 16049819245360.

The previous prime is 32099638490713. The next prime is 32099638490741. The reversal of 32099638490728 is 82709483699023.

It can be written as a sum of positive squares in only one way, i.e., 17661325641444 + 14438312849284 = 4202538^2 + 3799778^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006227405663 + ... + 2006227405678.

Almost surely, 2^{32099638490728} is an apocalyptic number.

It is an amenable number.

32099638490728 is a deficient number, since it is larger than the sum of its proper divisors (28087183679402).

32099638490728 is a wasteful number, since it uses less digits than its factorization.

32099638490728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012454811347 (or 4012454811343 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 70.

The spelling of 32099638490728 in words is "thirty-two trillion, ninety-nine billion, six hundred thirty-eight million, four hundred ninety thousand, seven hundred twenty-eight".