728414066643 has 16 divisors (see below), whose sum is σ = 972166406400. Its totient is φ = 485135791520.

The previous prime is 728414066629. The next prime is 728414066651. The reversal of 728414066643 is 346660414827.

It is a cyclic number.

It is not a de Polignac number, because 728414066643 - 2¹² = 728414062547 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (728414066843) 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, 13068688 + ... + 13124306.

It is an arithmetic number, because the mean of its divisors is an integer number (60760400400).

Almost surely, 2^728414066643 is an apocalyptic number.

728414066643 is a deficient number, since it is larger than the sum of its proper divisors (243752339757).

728414066643 is a wasteful number, since it uses less digits than its factorization.

728414066643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59802.

The product of its (nonzero) digits is 4644864, while the sum is 51.

The spelling of 728414066643 in words is "seven hundred twenty-eight billion, four hundred fourteen million, sixty-six thousand, six hundred forty-three".