494312559 has 32 divisors (see below), whose sum is σ = 727802880. Its totient is φ = 296569728.

The previous prime is 494312557. The next prime is 494312591. The reversal of 494312559 is 955213494.

It is not a de Polignac number, because 494312559 - 2¹ = 494312557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494312559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494312557) 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 31 ways as a sum of consecutive naturals, for example, 254757 + ... + 256689.

It is an arithmetic number, because the mean of its divisors is an integer number (22743840).

Almost surely, 2^494312559 is an apocalyptic number.

494312559 is a deficient number, since it is larger than the sum of its proper divisors (233490321).

494312559 is a wasteful number, since it uses less digits than its factorization.

494312559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its digits is 194400, while the sum is 42.

The square root of 494312559 is about 22233.1410061646. The cubic root of 494312559 is about 790.6796261298.

The spelling of 494312559 in words is "four hundred ninety-four million, three hundred twelve thousand, five hundred fifty-nine".