485386469 has 2 divisors, whose sum is σ = 485386470. Its totient is φ = 485386468.

The previous prime is 485386409. The next prime is 485386519. The reversal of 485386469 is 964683584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343657444 + 141729025 = 18538^2 + 11905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485386469 is a prime.

It is a super-2 number, since 2×485386469² = 471200048576575922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 485386469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485386409) 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 as a sum of consecutive naturals, namely, 242693234 + 242693235.

It is an arithmetic number, because the mean of its divisors is an integer number (242693235).

Almost surely, 2^485386469 is an apocalyptic number.

It is an amenable number.

485386469 is a deficient number, since it is larger than the sum of its proper divisors (1).

485386469 is an equidigital number, since it uses as much as digits as its factorization.

485386469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 53.

The square root of 485386469 is about 22031.4881249542. The cubic root of 485386469 is about 785.8914340702.

The spelling of 485386469 in words is "four hundred eighty-five million, three hundred eighty-six thousand, four hundred sixty-nine".