489202465120709 has 2 divisors, whose sum is σ = 489202465120710. Its totient is φ = 489202465120708.

The previous prime is 489202465120637. The next prime is 489202465120711. The reversal of 489202465120709 is 907021564202984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404358930907684 + 84843534213025 = 20108678^2 + 9211055^2 .

It is a cyclic number.

It is not a de Polignac number, because 489202465120709 - 2²⁸ = 489202196685253 is a prime.

It is a Sophie Germain prime.

Together with 489202465120711, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489202465126709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244601232560354 + 244601232560355.

It is an arithmetic number, because the mean of its divisors is an integer number (244601232560355).

Almost surely, 2^{489202465120709} is an apocalyptic number.

It is an amenable number.

489202465120709 is a deficient number, since it is larger than the sum of its proper divisors (1).

489202465120709 is an equidigital number, since it uses as much as digits as its factorization.

489202465120709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 489202465120709 in words is "four hundred eighty-nine trillion, two hundred two billion, four hundred sixty-five million, one hundred twenty thousand, seven hundred nine".