3644556426412 has 12 divisors (see below), whose sum is σ = 6957789541416. Its totient is φ = 1656616557440.

The previous prime is 3644556426349. The next prime is 3644556426473. The reversal of 3644556426412 is 2146246554463.

3644556426412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3644556426412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41415413893 + ... + 41415413980.

It is an arithmetic number, because the mean of its divisors is an integer number (579815795118).

Almost surely, 2^{3644556426412} is an apocalyptic number.

It is an amenable number.

3644556426412 is a deficient number, since it is larger than the sum of its proper divisors (3313233115004).

3644556426412 is a wasteful number, since it uses less digits than its factorization.

3644556426412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82830827888 (or 82830827886 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 52.

The spelling of 3644556426412 in words is "three trillion, six hundred forty-four billion, five hundred fifty-six million, four hundred twenty-six thousand, four hundred twelve".