966509459 has 2 divisors, whose sum is σ = 966509460. Its totient is φ = 966509458.

The previous prime is 966509447. The next prime is 966509471. The reversal of 966509459 is 954905669.

It is a balanced prime because it is at equal distance from previous prime (966509447) and next prime (966509471).

It is an emirp because it is prime and its reverse (954905669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 966509459 - 2¹² = 966505363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 966509459.

It is not a weakly prime, because it can be changed into another prime (966500459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483254729 + 483254730.

It is an arithmetic number, because the mean of its divisors is an integer number (483254730).

Almost surely, 2^966509459 is an apocalyptic number.

966509459 is a deficient number, since it is larger than the sum of its proper divisors (1).

966509459 is an equidigital number, since it uses as much as digits as its factorization.

966509459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2624400, while the sum is 53.

The square root of 966509459 is about 31088.7352428496. The cubic root of 966509459 is about 988.7094904830.

The spelling of 966509459 in words is "nine hundred sixty-six million, five hundred nine thousand, four hundred fifty-nine".