474130309 has 4 divisors (see below), whose sum is σ = 490479660. Its totient is φ = 457780960.

The previous prime is 474130297. The next prime is 474130333. The reversal of 474130309 is 903031474.

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 387696100 + 86434209 = 19690^2 + 9297^2 .

It is a cyclic number.

It is not a de Polignac number, because 474130309 - 2¹⁵ = 474097541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474130379) 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 3 ways as a sum of consecutive naturals, for example, 8174632 + ... + 8174689.

It is an arithmetic number, because the mean of its divisors is an integer number (122619915).

Almost surely, 2^474130309 is an apocalyptic number.

It is an amenable number.

474130309 is a deficient number, since it is larger than the sum of its proper divisors (16349351).

474130309 is a wasteful number, since it uses less digits than its factorization.

474130309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16349350.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 474130309 is about 21774.5334967250. The cubic root of 474130309 is about 779.7688932896.

The spelling of 474130309 in words is "four hundred seventy-four million, one hundred thirty thousand, three hundred nine".