489675811 has 2 divisors, whose sum is σ = 489675812. Its totient is φ = 489675810.

The previous prime is 489675799. The next prime is 489675821. The reversal of 489675811 is 118576984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489675811 - 2⁵ = 489675779 is a prime.

It is not a weakly prime, because it can be changed into another prime (489675821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244837905 + 244837906.

It is an arithmetic number, because the mean of its divisors is an integer number (244837906).

Almost surely, 2^489675811 is an apocalyptic number.

489675811 is a deficient number, since it is larger than the sum of its proper divisors (1).

489675811 is an equidigital number, since it uses as much as digits as its factorization.

489675811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 49.

The square root of 489675811 is about 22128.6197264990. The cubic root of 489675811 is about 788.1996126317.

The spelling of 489675811 in words is "four hundred eighty-nine million, six hundred seventy-five thousand, eight hundred eleven".