489393167 has 2 divisors, whose sum is σ = 489393168. Its totient is φ = 489393166.

The previous prime is 489393139. The next prime is 489393193. The reversal of 489393167 is 761393984.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489393167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489393197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244696583 + 244696584.

It is an arithmetic number, because the mean of its divisors is an integer number (244696584).

Almost surely, 2^489393167 is an apocalyptic number.

489393167 is a deficient number, since it is larger than the sum of its proper divisors (1).

489393167 is an equidigital number, since it uses as much as digits as its factorization.

489393167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 489393167 is about 22122.2324144739. The cubic root of 489393167 is about 788.0479321638.

The spelling of 489393167 in words is "four hundred eighty-nine million, three hundred ninety-three thousand, one hundred sixty-seven".