818801473 has 4 divisors (see below), whose sum is σ = 935773120. Its totient is φ = 701829828.

The previous prime is 818801441. The next prime is 818801491. The reversal of 818801473 is 374108818.

818801473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 818801473 - 2⁵ = 818801441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818801273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58485813 + ... + 58485826.

It is an arithmetic number, because the mean of its divisors is an integer number (233943280).

Almost surely, 2^818801473 is an apocalyptic number.

It is an amenable number.

818801473 is a deficient number, since it is larger than the sum of its proper divisors (116971647).

818801473 is a wasteful number, since it uses less digits than its factorization.

818801473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116971646.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 818801473 is about 28614.7072848911. The cubic root of 818801473 is about 935.5339198434.

The spelling of 818801473 in words is "eight hundred eighteen million, eight hundred one thousand, four hundred seventy-three".