498663747289 has 2 divisors, whose sum is σ = 498663747290. Its totient is φ = 498663747288.

The previous prime is 498663747227. The next prime is 498663747311. The reversal of 498663747289 is 982747366894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288632190025 + 210031557264 = 537245^2 + 458292^2 .

It is a cyclic number.

It is not a de Polignac number, because 498663747289 - 2⁷ = 498663747161 is a prime.

It is not a weakly prime, because it can be changed into another prime (498663747089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249331873644 + 249331873645.

It is an arithmetic number, because the mean of its divisors is an integer number (249331873645).

Almost surely, 2^498663747289 is an apocalyptic number.

It is an amenable number.

498663747289 is a deficient number, since it is larger than the sum of its proper divisors (1).

498663747289 is an equidigital number, since it uses as much as digits as its factorization.

498663747289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 877879296, while the sum is 73.

The spelling of 498663747289 in words is "four hundred ninety-eight billion, six hundred sixty-three million, seven hundred forty-seven thousand, two hundred eighty-nine".