473057009 has 4 divisors (see below), whose sum is σ = 479537316. Its totient is φ = 466576704.

The previous prime is 473056981. The next prime is 473057017. The reversal of 473057009 is 900750374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116035984 + 357021025 = 10772^2 + 18895^2 .

It is a cyclic number.

It is not a de Polignac number, because 473057009 - 2¹² = 473052913 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 473057009.

It is not an unprimeable number, because it can be changed into a prime (473054009) 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, 3240044 + ... + 3240189.

It is an arithmetic number, because the mean of its divisors is an integer number (119884329).

Almost surely, 2^473057009 is an apocalyptic number.

It is an amenable number.

473057009 is a deficient number, since it is larger than the sum of its proper divisors (6480307).

473057009 is an equidigital number, since it uses as much as digits as its factorization.

473057009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480306.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 473057009 is about 21749.8737697486. The cubic root of 473057009 is about 779.1800549782.

The spelling of 473057009 in words is "four hundred seventy-three million, fifty-seven thousand, nine".