494646913 has 4 divisors (see below), whose sum is σ = 494830768. Its totient is φ = 494463060.

The previous prime is 494646907. The next prime is 494646949. The reversal of 494646913 is 319646494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 494646913 - 2⁹ = 494646401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494646953) 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 in 3 ways as a sum of consecutive naturals, for example, 87831 + ... + 93292.

It is an arithmetic number, because the mean of its divisors is an integer number (123707692).

Almost surely, 2^494646913 is an apocalyptic number.

It is an amenable number.

494646913 is a deficient number, since it is larger than the sum of its proper divisors (183855).

494646913 is a wasteful number, since it uses less digits than its factorization.

494646913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183854.

The product of its digits is 559872, while the sum is 46.

The square root of 494646913 is about 22240.6590055241. The cubic root of 494646913 is about 790.8578583752.

The spelling of 494646913 in words is "four hundred ninety-four million, six hundred forty-six thousand, nine hundred thirteen".