489341999 has 2 divisors, whose sum is σ = 489342000. Its totient is φ = 489341998.

The previous prime is 489341989. The next prime is 489342031. The reversal of 489341999 is 999143984.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489341999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489341959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244670999 + 244671000.

It is an arithmetic number, because the mean of its divisors is an integer number (244671000).

Almost surely, 2^489341999 is an apocalyptic number.

489341999 is a deficient number, since it is larger than the sum of its proper divisors (1).

489341999 is an equidigital number, since it uses as much as digits as its factorization.

489341999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 56.

The square root of 489341999 is about 22121.0759005976. The cubic root of 489341999 is about 788.0204666925.

The spelling of 489341999 in words is "four hundred eighty-nine million, three hundred forty-one thousand, nine hundred ninety-nine".