4573317644646 has 32 divisors (see below), whose sum is σ = 9175773406848. Its totient is φ = 1519590274560.

The previous prime is 4573317644617. The next prime is 4573317644659. The reversal of 4573317644646 is 6464467133754.

It is a self number, because there is not a number n which added to its sum of digits gives 4573317644646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543686 + ... + 3395526.

It is an arithmetic number, because the mean of its divisors is an integer number (286742918964).

Almost surely, 2^{4573317644646} is an apocalyptic number.

4573317644646 is an abundant number, since it is smaller than the sum of its proper divisors (4602455762202).

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

4573317644646 is a wasteful number, since it uses less digits than its factorization.

4573317644646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853156.

The product of its digits is 121927680, while the sum is 60.

The spelling of 4573317644646 in words is "four trillion, five hundred seventy-three billion, three hundred seventeen million, six hundred forty-four thousand, six hundred forty-six".