728000355913 has 2 divisors, whose sum is σ = 728000355914. Its totient is φ = 728000355912.

The previous prime is 728000355829. The next prime is 728000355931. The reversal of 728000355913 is 319553000827.

Together with next prime (728000355931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486411394624 + 241588961289 = 697432^2 + 491517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728000355913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 728000355913.

It is not a weakly prime, because it can be changed into another prime (728000359913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364000177956 + 364000177957.

It is an arithmetic number, because the mean of its divisors is an integer number (364000177957).

Almost surely, 2^728000355913 is an apocalyptic number.

It is an amenable number.

728000355913 is a deficient number, since it is larger than the sum of its proper divisors (1).

728000355913 is an equidigital number, since it uses as much as digits as its factorization.

728000355913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 728000355913 in words is "seven hundred twenty-eight billion, three hundred fifty-five thousand, nine hundred thirteen".