473851813 has 4 divisors (see below), whose sum is σ = 475089408. Its totient is φ = 472614220.

The previous prime is 473851789. The next prime is 473851817. The reversal of 473851813 is 318158374.

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 a de Polignac number, because none of the positive numbers 2^k-473851813 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 (473851817) 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, 618223 + ... + 618988.

It is an arithmetic number, because the mean of its divisors is an integer number (118772352).

Almost surely, 2^473851813 is an apocalyptic number.

It is an amenable number.

473851813 is a deficient number, since it is larger than the sum of its proper divisors (1237595).

473851813 is a wasteful number, since it uses less digits than its factorization.

473851813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237594.

The product of its digits is 80640, while the sum is 40.

The square root of 473851813 is about 21768.1375638799. The cubic root of 473851813 is about 779.6161891022.

The spelling of 473851813 in words is "four hundred seventy-three million, eight hundred fifty-one thousand, eight hundred thirteen".