494117759 has 2 divisors, whose sum is σ = 494117760. Its totient is φ = 494117758.

The previous prime is 494117749. The next prime is 494117783. The reversal of 494117759 is 957711494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494117759 - 2¹² = 494113663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494117749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247058879 + 247058880.

It is an arithmetic number, because the mean of its divisors is an integer number (247058880).

Almost surely, 2^494117759 is an apocalyptic number.

494117759 is a deficient number, since it is larger than the sum of its proper divisors (1).

494117759 is an equidigital number, since it uses as much as digits as its factorization.

494117759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 47.

The square root of 494117759 is about 22228.7597269843. The cubic root of 494117759 is about 790.5757481107.

The spelling of 494117759 in words is "four hundred ninety-four million, one hundred seventeen thousand, seven hundred fifty-nine".