609345473 has 6 divisors (see below), whose sum is σ = 669776562. Its totient is φ = 553950320.

The previous prime is 609345461. The next prime is 609345481. The reversal of 609345473 is 374543906.

609345473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 431309824 + 178035649 = 20768^2 + 13343^2 .

It is not a de Polignac number, because 609345473 - 2¹² = 609341377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 609345473.

It is not an unprimeable number, because it can be changed into a prime (609344473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2517836 + ... + 2518077.

It is an arithmetic number, because the mean of its divisors is an integer number (111629427).

Almost surely, 2^609345473 is an apocalyptic number.

It is an amenable number.

609345473 is a deficient number, since it is larger than the sum of its proper divisors (60431089).

609345473 is a wasteful number, since it uses less digits than its factorization.

609345473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035935 (or 5035924 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 609345473 is about 24684.9240023136. The cubic root of 609345473 is about 847.7891672263.

The spelling of 609345473 in words is "six hundred nine million, three hundred forty-five thousand, four hundred seventy-three".