489144223 has 2 divisors, whose sum is σ = 489144224. Its totient is φ = 489144222.

The previous prime is 489144157. The next prime is 489144239. The reversal of 489144223 is 322441984.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489144223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489144023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244572111 + 244572112.

It is an arithmetic number, because the mean of its divisors is an integer number (244572112).

Almost surely, 2^489144223 is an apocalyptic number.

489144223 is a deficient number, since it is larger than the sum of its proper divisors (1).

489144223 is an equidigital number, since it uses as much as digits as its factorization.

489144223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 489144223 is about 22116.6051418386. The cubic root of 489144223 is about 787.9142883704.

The spelling of 489144223 in words is "four hundred eighty-nine million, one hundred forty-four thousand, two hundred twenty-three".