489984899846459 has 2 divisors, whose sum is σ = 489984899846460. Its totient is φ = 489984899846458.

The previous prime is 489984899846413. The next prime is 489984899846489. The reversal of 489984899846459 is 954648998489984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489984899846459 - 2²⁰ = 489984898797883 is a prime.

It is a super-3 number, since 3×489984899846459³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (489984899846489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244992449923229 + 244992449923230.

It is an arithmetic number, because the mean of its divisors is an integer number (244992449923230).

Almost surely, 2^{489984899846459} is an apocalyptic number.

489984899846459 is a deficient number, since it is larger than the sum of its proper divisors (1).

489984899846459 is an equidigital number, since it uses as much as digits as its factorization.

489984899846459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1857520926720, while the sum is 104.

The spelling of 489984899846459 in words is "four hundred eighty-nine trillion, nine hundred eighty-four billion, eight hundred ninety-nine million, eight hundred forty-six thousand, four hundred fifty-nine".