485308669 has 2 divisors, whose sum is σ = 485308670. Its totient is φ = 485308668.

The previous prime is 485308667. The next prime is 485308679. The reversal of 485308669 is 966803584.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337199769 + 148108900 = 18363^2 + 12170^2 .

It is a cyclic number.

It is not a de Polignac number, because 485308669 - 2¹ = 485308667 is a prime.

It is a super-2 number, since 2×485308669² = 471049008413103122, which contains 22 as substring.

Together with 485308667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485308661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242654334 + 242654335.

It is an arithmetic number, because the mean of its divisors is an integer number (242654335).

Almost surely, 2^485308669 is an apocalyptic number.

It is an amenable number.

485308669 is a deficient number, since it is larger than the sum of its proper divisors (1).

485308669 is an equidigital number, since it uses as much as digits as its factorization.

485308669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 485308669 is about 22029.7223995220. The cubic root of 485308669 is about 785.8494430490.

The spelling of 485308669 in words is "four hundred eighty-five million, three hundred eight thousand, six hundred sixty-nine".