489107197 has 2 divisors, whose sum is σ = 489107198. Its totient is φ = 489107196.

The previous prime is 489107191. The next prime is 489107209. The reversal of 489107197 is 791701984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488144836 + 962361 = 22094^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 489107197 - 2³ = 489107189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489107191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244553598 + 244553599.

It is an arithmetic number, because the mean of its divisors is an integer number (244553599).

Almost surely, 2^489107197 is an apocalyptic number.

It is an amenable number.

489107197 is a deficient number, since it is larger than the sum of its proper divisors (1).

489107197 is an equidigital number, since it uses as much as digits as its factorization.

489107197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 489107197 is about 22115.7680626290. The cubic root of 489107197 is about 787.8944073556.

The spelling of 489107197 in words is "four hundred eighty-nine million, one hundred seven thousand, one hundred ninety-seven".