494853769 has 2 divisors, whose sum is σ = 494853770. Its totient is φ = 494853768.

The previous prime is 494853743. The next prime is 494853791. The reversal of 494853769 is 967358494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325333369 + 169520400 = 18037^2 + 13020^2 .

It is a cyclic number.

It is not a de Polignac number, because 494853769 - 2¹⁹ = 494329481 is a prime.

It is a super-2 number, since 2×494853769² = 489760505387010722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494853169) 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, 247426884 + 247426885.

It is an arithmetic number, because the mean of its divisors is an integer number (247426885).

Almost surely, 2^494853769 is an apocalyptic number.

It is an amenable number.

494853769 is a deficient number, since it is larger than the sum of its proper divisors (1).

494853769 is an equidigital number, since it uses as much as digits as its factorization.

494853769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 55.

The square root of 494853769 is about 22245.3089212085. The cubic root of 494853769 is about 790.9680857514.

The spelling of 494853769 in words is "four hundred ninety-four million, eight hundred fifty-three thousand, seven hundred sixty-nine".