494694719 has 2 divisors, whose sum is σ = 494694720. Its totient is φ = 494694718.

The previous prime is 494694709. The next prime is 494694721. The reversal of 494694719 is 917496494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494694719 - 2⁸ = 494694463 is a prime.

It is a super-2 number, since 2×494694719² = 489445730012977922, which contains 22 as substring.

Together with 494694721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494694709) 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, 247347359 + 247347360.

It is an arithmetic number, because the mean of its divisors is an integer number (247347360).

Almost surely, 2^494694719 is an apocalyptic number.

494694719 is a deficient number, since it is larger than the sum of its proper divisors (1).

494694719 is an equidigital number, since it uses as much as digits as its factorization.

494694719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The square root of 494694719 is about 22241.7337228913. The cubic root of 494694719 is about 790.8833354929.

The spelling of 494694719 in words is "four hundred ninety-four million, six hundred ninety-four thousand, seven hundred nineteen".