728650143733 has 2 divisors, whose sum is σ = 728650143734. Its totient is φ = 728650143732.

The previous prime is 728650143731. The next prime is 728650143761. The reversal of 728650143733 is 337341056827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723353652004 + 5296491729 = 850502^2 + 72777^2 .

It is an emirp because it is prime and its reverse (337341056827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 728650143733 - 2¹ = 728650143731 is a prime.

Together with 728650143731, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728650143731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364325071866 + 364325071867.

It is an arithmetic number, because the mean of its divisors is an integer number (364325071867).

Almost surely, 2^728650143733 is an apocalyptic number.

It is an amenable number.

728650143733 is a deficient number, since it is larger than the sum of its proper divisors (1).

728650143733 is an equidigital number, since it uses as much as digits as its factorization.

728650143733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 728650143733 in words is "seven hundred twenty-eight billion, six hundred fifty million, one hundred forty-three thousand, seven hundred thirty-three".