494963873 has 4 divisors (see below), whose sum is σ = 504302868. Its totient is φ = 485624880.

The previous prime is 494963809. The next prime is 494963893. The reversal of 494963873 is 378369494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 241740304 + 253223569 = 15548^2 + 15913^2 .

It is a cyclic number.

It is not a de Polignac number, because 494963873 - 2⁶ = 494963809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 9338941 = 494963873 / (4 + 9 + 4 + 9 + 6 + 3 + 8 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494963893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4669418 + ... + 4669523.

It is an arithmetic number, because the mean of its divisors is an integer number (126075717).

Almost surely, 2^494963873 is an apocalyptic number.

It is an amenable number.

494963873 is a deficient number, since it is larger than the sum of its proper divisors (9338995).

494963873 is an equidigital number, since it uses as much as digits as its factorization.

494963873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338994.

The product of its digits is 3919104, while the sum is 53.

The square root of 494963873 is about 22247.7835525250. The cubic root of 494963873 is about 791.0267443541.

The spelling of 494963873 in words is "four hundred ninety-four million, nine hundred sixty-three thousand, eight hundred seventy-three".