489775571 has 2 divisors, whose sum is σ = 489775572. Its totient is φ = 489775570.

The previous prime is 489775543. The next prime is 489775591. The reversal of 489775571 is 175577984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489775571 - 2¹⁴ = 489759187 is a prime.

It is not a weakly prime, because it can be changed into another prime (489775591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244887785 + 244887786.

It is an arithmetic number, because the mean of its divisors is an integer number (244887786).

Almost surely, 2^489775571 is an apocalyptic number.

489775571 is a deficient number, since it is larger than the sum of its proper divisors (1).

489775571 is an equidigital number, since it uses as much as digits as its factorization.

489775571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2469600, while the sum is 53.

The square root of 489775571 is about 22130.8737062051. The cubic root of 489775571 is about 788.2531347461.

The spelling of 489775571 in words is "four hundred eighty-nine million, seven hundred seventy-five thousand, five hundred seventy-one".