494228519 has 2 divisors, whose sum is σ = 494228520. Its totient is φ = 494228518.

The previous prime is 494228491. The next prime is 494228521. The reversal of 494228519 is 915822494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494228519 - 2⁸ = 494228263 is a prime.

It is a super-2 number, since 2×494228519² = 488523657985866722, which contains 22 as substring.

Together with 494228521, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494228519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494228569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247114259 + 247114260.

It is an arithmetic number, because the mean of its divisors is an integer number (247114260).

Almost surely, 2^494228519 is an apocalyptic number.

494228519 is a deficient number, since it is larger than the sum of its proper divisors (1).

494228519 is an equidigital number, since it uses as much as digits as its factorization.

494228519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 494228519 is about 22231.2509544560. The cubic root of 494228519 is about 790.6348147511.

The spelling of 494228519 in words is "four hundred ninety-four million, two hundred twenty-eight thousand, five hundred nineteen".