489699827 has 2 divisors, whose sum is σ = 489699828. Its totient is φ = 489699826.

The previous prime is 489699817. The next prime is 489699853. The reversal of 489699827 is 728996984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489699827 - 2¹⁶ = 489634291 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489699827.

It is not a weakly prime, because it can be changed into another prime (489699817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244849913 + 244849914.

It is an arithmetic number, because the mean of its divisors is an integer number (244849914).

Almost surely, 2^489699827 is an apocalyptic number.

489699827 is a deficient number, since it is larger than the sum of its proper divisors (1).

489699827 is an equidigital number, since it uses as much as digits as its factorization.

489699827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 62.

The square root of 489699827 is about 22129.1623655302. The cubic root of 489699827 is about 788.2124980905.

The spelling of 489699827 in words is "four hundred eighty-nine million, six hundred ninety-nine thousand, eight hundred twenty-seven".