4471646645 has 8 divisors (see below), whose sum is σ = 5398897056. Its totient is φ = 3555369936.

The previous prime is 4471646633. The next prime is 4471646653. The reversal of 4471646645 is 5466461744.

4471646645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4471646645 - 2³⁰ = 3397904821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4471646645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2742527 + ... + 2744156.

It is an arithmetic number, because the mean of its divisors is an integer number (674862132).

Almost surely, 2^4471646645 is an apocalyptic number.

It is an amenable number.

4471646645 is a deficient number, since it is larger than the sum of its proper divisors (927250411).

4471646645 is a wasteful number, since it uses less digits than its factorization.

4471646645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486851.

The product of its digits is 1935360, while the sum is 47.

The square root of 4471646645 is about 66870.3719520088. The cubic root of 4471646645 is about 1647.4888824688.

The spelling of 4471646645 in words is "four billion, four hundred seventy-one million, six hundred forty-six thousand, six hundred forty-five".