485437009 has 4 divisors (see below), whose sum is σ = 495765504. Its totient is φ = 475108516.

The previous prime is 485436979. The next prime is 485437027. The reversal of 485437009 is 900734584.

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 a cyclic number.

It is not a de Polignac number, because 485437009 - 2⁵ = 485436977 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485437049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5164177 + ... + 5164270.

It is an arithmetic number, because the mean of its divisors is an integer number (123941376).

Almost surely, 2^485437009 is an apocalyptic number.

It is an amenable number.

485437009 is a deficient number, since it is larger than the sum of its proper divisors (10328495).

485437009 is a wasteful number, since it uses less digits than its factorization.

485437009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328494.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 485437009 is about 22032.6350897935. The cubic root of 485437009 is about 785.9187096380.

The spelling of 485437009 in words is "four hundred eighty-five million, four hundred thirty-seven thousand, nine".