473809169 has 6 divisors (see below), whose sum is σ = 475428114. Its totient is φ = 472192800.

The previous prime is 473809121. The next prime is 473809181. The reversal of 473809169 is 961908374.

It can be written as a sum of positive squares in only one way, i.e., 472627600 + 1181569 = 21740^2 + 1087^2 .

It is not a de Polignac number, because 473809169 - 2²⁰ = 472760593 is a prime.

It is a super-2 number, since 2×473809169² = 448990257256941122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (473809969) 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 5 ways as a sum of consecutive naturals, for example, 435344 + ... + 436430.

It is an arithmetic number, because the mean of its divisors is an integer number (79238019).

Almost surely, 2^473809169 is an apocalyptic number.

It is an amenable number.

473809169 is a deficient number, since it is larger than the sum of its proper divisors (1618945).

473809169 is an frugal number, since it uses more digits than its factorization.

473809169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 473809169 is about 21767.1580368224. The cubic root of 473809169 is about 779.5928013754.

The spelling of 473809169 in words is "four hundred seventy-three million, eight hundred nine thousand, one hundred sixty-nine".