494817671 has 2 divisors, whose sum is σ = 494817672. Its totient is φ = 494817670.

The previous prime is 494817667. The next prime is 494817709. The reversal of 494817671 is 176718494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494817671 - 2² = 494817667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494847671) 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, 247408835 + 247408836.

It is an arithmetic number, because the mean of its divisors is an integer number (247408836).

Almost surely, 2^494817671 is an apocalyptic number.

494817671 is a deficient number, since it is larger than the sum of its proper divisors (1).

494817671 is an equidigital number, since it uses as much as digits as its factorization.

494817671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 494817671 is about 22244.4975443367. The cubic root of 494817671 is about 790.9488524196.

The spelling of 494817671 in words is "four hundred ninety-four million, eight hundred seventeen thousand, six hundred seventy-one".