728522728201 has 2 divisors, whose sum is σ = 728522728202. Its totient is φ = 728522728200.

The previous prime is 728522728187. The next prime is 728522728277. The reversal of 728522728201 is 102827225827.

728522728201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636804000000 + 91718728201 = 798000^2 + 302851^2 .

It is a cyclic number.

It is not a de Polignac number, because 728522728201 - 2²³ = 728514339593 is a prime.

It is not a weakly prime, because it can be changed into another prime (728522720201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364261364100 + 364261364101.

It is an arithmetic number, because the mean of its divisors is an integer number (364261364101).

Almost surely, 2^728522728201 is an apocalyptic number.

It is an amenable number.

728522728201 is a deficient number, since it is larger than the sum of its proper divisors (1).

728522728201 is an equidigital number, since it uses as much as digits as its factorization.

728522728201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 728522728201 in words is "seven hundred twenty-eight billion, five hundred twenty-two million, seven hundred twenty-eight thousand, two hundred one".