728684548603 has 16 divisors (see below), whose sum is σ = 799259368320. Its totient is φ = 658835956800.

The previous prime is 728684548591. The next prime is 728684548639. The reversal of 728684548603 is 306845486827.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728684548603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728684548693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3202063 + ... + 3422071.

It is an arithmetic number, because the mean of its divisors is an integer number (49953710520).

Almost surely, 2^728684548603 is an apocalyptic number.

728684548603 is a deficient number, since it is larger than the sum of its proper divisors (70574819717).

728684548603 is a wasteful number, since it uses less digits than its factorization.

728684548603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221658.

The product of its (nonzero) digits is 61931520, while the sum is 61.

The spelling of 728684548603 in words is "seven hundred twenty-eight billion, six hundred eighty-four million, five hundred forty-eight thousand, six hundred three".