728699219996 has 12 divisors (see below), whose sum is σ = 1391153056440. Its totient is φ = 331226918160.

The previous prime is 728699219993. The next prime is 728699220031. The reversal of 728699219996 is 699912996827.

728699219996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728699219993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8280672911 + ... + 8280672998.

It is an arithmetic number, because the mean of its divisors is an integer number (115929421370).

Almost surely, 2^728699219996 is an apocalyptic number.

It is an amenable number.

728699219996 is a deficient number, since it is larger than the sum of its proper divisors (662453836444).

728699219996 is a wasteful number, since it uses less digits than its factorization.

728699219996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16561345924 (or 16561345922 counting only the distinct ones).

The product of its digits is 476171136, while the sum is 77.

The spelling of 728699219996 in words is "seven hundred twenty-eight billion, six hundred ninety-nine million, two hundred nineteen thousand, nine hundred ninety-six".