489253008709 has 2 divisors, whose sum is σ = 489253008710. Its totient is φ = 489253008708.

The previous prime is 489253008697. The next prime is 489253008731. The reversal of 489253008709 is 907800352984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473829852609 + 15423156100 = 688353^2 + 124190^2 .

It is a cyclic number.

It is not a de Polignac number, because 489253008709 - 2⁵ = 489253008677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489253008709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489253008749) 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, 244626504354 + 244626504355.

It is an arithmetic number, because the mean of its divisors is an integer number (244626504355).

Almost surely, 2^489253008709 is an apocalyptic number.

It is an amenable number.

489253008709 is a deficient number, since it is larger than the sum of its proper divisors (1).

489253008709 is an equidigital number, since it uses as much as digits as its factorization.

489253008709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 489253008709 in words is "four hundred eighty-nine billion, two hundred fifty-three million, eight thousand, seven hundred nine".