489796871 has 2 divisors, whose sum is σ = 489796872. Its totient is φ = 489796870.

The previous prime is 489796859. The next prime is 489796883. The reversal of 489796871 is 178697984.

It is a balanced prime because it is at equal distance from previous prime (489796859) and next prime (489796883).

It is a cyclic number.

It is not a de Polignac number, because 489796871 - 2¹⁰ = 489795847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489796871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489796831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244898435 + 244898436.

It is an arithmetic number, because the mean of its divisors is an integer number (244898436).

Almost surely, 2^489796871 is an apocalyptic number.

489796871 is a deficient number, since it is larger than the sum of its proper divisors (1).

489796871 is an equidigital number, since it uses as much as digits as its factorization.

489796871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 59.

The square root of 489796871 is about 22131.3549291497. The cubic root of 489796871 is about 788.2645614412.

The spelling of 489796871 in words is "four hundred eighty-nine million, seven hundred ninety-six thousand, eight hundred seventy-one".