489578083499 has 2 divisors, whose sum is σ = 489578083500. Its totient is φ = 489578083498.

The previous prime is 489578083483. The next prime is 489578083517. The reversal of 489578083499 is 994380875984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489578083499 - 2⁴ = 489578083483 is a prime.

It is not a weakly prime, because it can be changed into another prime (489578083429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244789041749 + 244789041750.

It is an arithmetic number, because the mean of its divisors is an integer number (244789041750).

Almost surely, 2^489578083499 is an apocalyptic number.

489578083499 is a deficient number, since it is larger than the sum of its proper divisors (1).

489578083499 is an equidigital number, since it uses as much as digits as its factorization.

489578083499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 627056640, while the sum is 74.

The spelling of 489578083499 in words is "four hundred eighty-nine billion, five hundred seventy-eight million, eighty-three thousand, four hundred ninety-nine".