473121816 has 16 divisors (see below), whose sum is σ = 1182804600. Its totient is φ = 157707264.

The previous prime is 473121809. The next prime is 473121851. The reversal of 473121816 is 618121374.

It is a congruent number.

It is an unprimeable number.

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, 9856681 + ... + 9856728.

Almost surely, 2^473121816 is an apocalyptic number.

It is an amenable number.

473121816 is an abundant number, since it is smaller than the sum of its proper divisors (709682784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

473121816 is a wasteful number, since it uses less digits than its factorization.

473121816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19713418 (or 19713414 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 473121816 is about 21751.3635434655. The cubic root of 473121816 is about 779.2156349154.

The spelling of 473121816 in words is "four hundred seventy-three million, one hundred twenty-one thousand, eight hundred sixteen".