728648317841 has 8 divisors (see below), whose sum is σ = 735488394624. Its totient is φ = 721808802000.

The previous prime is 728648317763. The next prime is 728648317861. The reversal of 728648317841 is 148713846827.

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 728648317841 - 2¹⁰ = 728648316817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728648317861) 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, 2747591 + ... + 3001091.

It is an arithmetic number, because the mean of its divisors is an integer number (91936049328).

Almost surely, 2^728648317841 is an apocalyptic number.

It is an amenable number.

728648317841 is a deficient number, since it is larger than the sum of its proper divisors (6840076783).

728648317841 is a wasteful number, since it uses less digits than its factorization.

728648317841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280471.

The product of its digits is 14450688, while the sum is 59.

The spelling of 728648317841 in words is "seven hundred twenty-eight billion, six hundred forty-eight million, three hundred seventeen thousand, eight hundred forty-one".