494335565 has 8 divisors (see below), whose sum is σ = 607671288. Its totient is φ = 385822720.

The previous prime is 494335561. The next prime is 494335603. The reversal of 494335565 is 565533494.

It can be written as a sum of positive squares in 4 ways, for example, as 49378729 + 444956836 = 7027^2 + 21094^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 494335565 - 2² = 494335561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494335561) 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 in 7 ways as a sum of consecutive naturals, for example, 1205492 + ... + 1205901.

It is an arithmetic number, because the mean of its divisors is an integer number (75958911).

Almost surely, 2^494335565 is an apocalyptic number.

It is an amenable number.

494335565 is a deficient number, since it is larger than the sum of its proper divisors (113335723).

494335565 is a wasteful number, since it uses less digits than its factorization.

494335565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411439.

The product of its digits is 972000, while the sum is 44.

The square root of 494335565 is about 22233.6583809323. The cubic root of 494335565 is about 790.6918923859.

The spelling of 494335565 in words is "four hundred ninety-four million, three hundred thirty-five thousand, five hundred sixty-five".