728822491043 has 8 divisors (see below), whose sum is σ = 742154555760. Its totient is φ = 715523064480.

The previous prime is 728822491027. The next prime is 728822491069. The reversal of 728822491043 is 340194228827.

728822491043 is digitally balanced in base 2, 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 728822491043 - 2⁴ = 728822491027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 728822490982 and 728822491000.

It is not an unprimeable number, because it can be changed into a prime (728822491843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8114468 + ... + 8203793.

It is an arithmetic number, because the mean of its divisors is an integer number (92769319470).

Almost surely, 2^728822491043 is an apocalyptic number.

728822491043 is a deficient number, since it is larger than the sum of its proper divisors (13332064717).

728822491043 is a wasteful number, since it uses less digits than its factorization.

728822491043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16319077.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 728822491043 in words is "seven hundred twenty-eight billion, eight hundred twenty-two million, four hundred ninety-one thousand, forty-three".