494689319 has 2 divisors, whose sum is σ = 494689320. Its totient is φ = 494689318.

The previous prime is 494689303. The next prime is 494689369. The reversal of 494689319 is 913986494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494689319 - 2⁴ = 494689303 is a prime.

It is a super-2 number, since 2×494689319² = 489435044665367522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494689369) 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, 247344659 + 247344660.

It is an arithmetic number, because the mean of its divisors is an integer number (247344660).

Almost surely, 2^494689319 is an apocalyptic number.

494689319 is a deficient number, since it is larger than the sum of its proper divisors (1).

494689319 is an equidigital number, since it uses as much as digits as its factorization.

494689319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 494689319 is about 22241.6123291456. The cubic root of 494689319 is about 790.8804577683.

The spelling of 494689319 in words is "four hundred ninety-four million, six hundred eighty-nine thousand, three hundred nineteen".