480169309 has 4 divisors (see below), whose sum is σ = 481529916. Its totient is φ = 478808704.

The previous prime is 480169259. The next prime is 480169331. The reversal of 480169309 is 903961084.

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 158684409 + 321484900 = 12597^2 + 17930^2 .

It is a cyclic number.

It is not a de Polignac number, because 480169309 - 2¹³ = 480161117 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 (480169009) 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, 679774 + ... + 680479.

It is an arithmetic number, because the mean of its divisors is an integer number (120382479).

Almost surely, 2^480169309 is an apocalyptic number.

It is an amenable number.

480169309 is a deficient number, since it is larger than the sum of its proper divisors (1360607).

480169309 is a wasteful number, since it uses less digits than its factorization.

480169309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360606.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 480169309 is about 21912.7658911421. The cubic root of 480169309 is about 783.0655760683.

The spelling of 480169309 in words is "four hundred eighty million, one hundred sixty-nine thousand, three hundred nine".