728510123803459 has 2 divisors, whose sum is σ = 728510123803460. Its totient is φ = 728510123803458.

The previous prime is 728510123803391. The next prime is 728510123803477. The reversal of 728510123803459 is 954308321015827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 728510123803459 - 2¹⁹ = 728510123279171 is a prime.

It is not a weakly prime, because it can be changed into another prime (728510123873459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364255061901729 + 364255061901730.

It is an arithmetic number, because the mean of its divisors is an integer number (364255061901730).

Almost surely, 2^{728510123803459} is an apocalyptic number.

728510123803459 is a deficient number, since it is larger than the sum of its proper divisors (1).

728510123803459 is an equidigital number, since it uses as much as digits as its factorization.

728510123803459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 728510123803459 in words is "seven hundred twenty-eight trillion, five hundred ten billion, one hundred twenty-three million, eight hundred three thousand, four hundred fifty-nine".