498664009489 has 2 divisors, whose sum is σ = 498664009490. Its totient is φ = 498664009488.

The previous prime is 498664009433. The next prime is 498664009573. The reversal of 498664009489 is 984900466894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364312437889 + 134351571600 = 603583^2 + 366540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498664009489 is a prime.

It is a super-2 number, since 2×498664009489² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (498664009409) 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, 249332004744 + 249332004745.

It is an arithmetic number, because the mean of its divisors is an integer number (249332004745).

Almost surely, 2^498664009489 is an apocalyptic number.

It is an amenable number.

498664009489 is a deficient number, since it is larger than the sum of its proper divisors (1).

498664009489 is an equidigital number, since it uses as much as digits as its factorization.

498664009489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107495424, while the sum is 67.

The spelling of 498664009489 in words is "four hundred ninety-eight billion, six hundred sixty-four million, nine thousand, four hundred eighty-nine".