728982011 has 2 divisors, whose sum is σ = 728982012. Its totient is φ = 728982010.

The previous prime is 728981969. The next prime is 728982013. The reversal of 728982011 is 110289827.

It is a strong prime.

It is an emirp because it is prime and its reverse (110289827) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728982011 is a prime.

Together with 728982013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (728982013) 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, 364491005 + 364491006.

It is an arithmetic number, because the mean of its divisors is an integer number (364491006).

Almost surely, 2^728982011 is an apocalyptic number.

728982011 is a deficient number, since it is larger than the sum of its proper divisors (1).

728982011 is an equidigital number, since it uses as much as digits as its factorization.

728982011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 728982011 is about 26999.6668683152. Note that the first 3 decimals coincide. The cubic root of 728982011 is about 899.9925970584.

The spelling of 728982011 in words is "seven hundred twenty-eight million, nine hundred eighty-two thousand, eleven".