489984899846413 has 2 divisors, whose sum is σ = 489984899846414. Its totient is φ = 489984899846412.

The previous prime is 489984899846411. The next prime is 489984899846459. The reversal of 489984899846413 is 314648998489984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378508425715849 + 111476474130564 = 19455293^2 + 10558242^2 .

It is a cyclic number.

It is not a de Polignac number, because 489984899846413 - 2¹ = 489984899846411 is a prime.

Together with 489984899846411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489984899846411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244992449923206 + 244992449923207.

It is an arithmetic number, because the mean of its divisors is an integer number (244992449923207).

Almost surely, 2^{489984899846413} is an apocalyptic number.

It is an amenable number.

489984899846413 is a deficient number, since it is larger than the sum of its proper divisors (1).

489984899846413 is an equidigital number, since it uses as much as digits as its factorization.

489984899846413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123834728448, while the sum is 94.

The spelling of 489984899846413 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 thirteen".