480669309 has 12 divisors (see below), whose sum is σ = 720015296. Its totient is φ = 320446044.

The previous prime is 480669307. The next prime is 480669311. The reversal of 480669309 is 903966084.

It is an interprime number because it is at equal distance from previous prime (480669307) and next prime (480669311).

It is not a de Polignac number, because 480669309 - 2¹ = 480669307 is a prime.

It is a super-3 number, since 3×480669309³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480669307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 988789 + ... + 989274.

Almost surely, 2^480669309 is an apocalyptic number.

It is an amenable number.

480669309 is a deficient number, since it is larger than the sum of its proper divisors (239345987).

480669309 is an equidigital number, since it uses as much as digits as its factorization.

480669309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978078 (or 1978066 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 480669309 is about 21924.1717973565. The cubic root of 480669309 is about 783.3372836781.

It can be divided in two parts, 48066 and 9309, that added together give a palindrome (57375).

The spelling of 480669309 in words is "four hundred eighty million, six hundred sixty-nine thousand, three hundred nine".