473318993 has 8 divisors (see below), whose sum is σ = 541246080. Its totient is φ = 405469440.

The previous prime is 473318953. The next prime is 473319019. The reversal of 473318993 is 399813374.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 473318993 - 2⁸ = 473318737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (473318953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5648 + ... + 31281.

It is an arithmetic number, because the mean of its divisors is an integer number (67655760).

Almost surely, 2^473318993 is an apocalyptic number.

It is an amenable number.

473318993 is a deficient number, since it is larger than the sum of its proper divisors (67927087).

473318993 is a wasteful number, since it uses less digits than its factorization.

473318993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38767.

The product of its digits is 489888, while the sum is 47.

The square root of 473318993 is about 21755.8955917701. The cubic root of 473318993 is about 779.3238678321.

The spelling of 473318993 in words is "four hundred seventy-three million, three hundred eighteen thousand, nine hundred ninety-three".