728627218849 has 8 divisors (see below), whose sum is σ = 746282829600. Its totient is φ = 711003916896.

The previous prime is 728627218793. The next prime is 728627218859. The reversal of 728627218849 is 948812726827.

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 728627218849 - 2²⁷ = 728493001121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728627218859) 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, 8031547 + ... + 8121760.

It is an arithmetic number, because the mean of its divisors is an integer number (93285353700).

Almost surely, 2^728627218849 is an apocalyptic number.

It is an amenable number.

728627218849 is a deficient number, since it is larger than the sum of its proper divisors (17655610751).

728627218849 is a wasteful number, since it uses less digits than its factorization.

728627218849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16154399.

The product of its digits is 43352064, while the sum is 64.

The spelling of 728627218849 in words is "seven hundred twenty-eight billion, six hundred twenty-seven million, two hundred eighteen thousand, eight hundred forty-nine".