494673197 has 2 divisors, whose sum is σ = 494673198. Its totient is φ = 494673196.

The previous prime is 494673187. The next prime is 494673209. The reversal of 494673197 is 791376494.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460789156 + 33884041 = 21466^2 + 5821^2 .

It is a cyclic number.

It is not a de Polignac number, because 494673197 - 2¹² = 494669101 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 (494673187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247336598 + 247336599.

It is an arithmetic number, because the mean of its divisors is an integer number (247336599).

Almost surely, 2^494673197 is an apocalyptic number.

It is an amenable number.

494673197 is a deficient number, since it is larger than the sum of its proper divisors (1).

494673197 is an equidigital number, since it uses as much as digits as its factorization.

494673197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 494673197 is about 22241.2498974316. The cubic root of 494673197 is about 790.8718660369.

The spelling of 494673197 in words is "four hundred ninety-four million, six hundred seventy-three thousand, one hundred ninety-seven".