728333260693 has 2 divisors, whose sum is σ = 728333260694. Its totient is φ = 728333260692.

The previous prime is 728333260637. The next prime is 728333260757. The reversal of 728333260693 is 396062333827.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 467995546404 + 260337714289 = 684102^2 + 510233^2 .

It is a cyclic number.

It is not a de Polignac number, because 728333260693 - 2⁹ = 728333260181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 728333260693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728333264693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364166630346 + 364166630347.

It is an arithmetic number, because the mean of its divisors is an integer number (364166630347).

Almost surely, 2^728333260693 is an apocalyptic number.

It is an amenable number.

728333260693 is a deficient number, since it is larger than the sum of its proper divisors (1).

728333260693 is an equidigital number, since it uses as much as digits as its factorization.

728333260693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 52.

The spelling of 728333260693 in words is "seven hundred twenty-eight billion, three hundred thirty-three million, two hundred sixty thousand, six hundred ninety-three".