485449999 has 2 divisors, whose sum is σ = 485450000. Its totient is φ = 485449998.

The previous prime is 485449973. The next prime is 485450003. The reversal of 485449999 is 999944584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 485449999 - 2⁵ = 485449967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485443999) 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, 242724999 + 242725000.

It is an arithmetic number, because the mean of its divisors is an integer number (242725000).

Almost surely, 2^485449999 is an apocalyptic number.

485449999 is a deficient number, since it is larger than the sum of its proper divisors (1).

485449999 is an equidigital number, since it uses as much as digits as its factorization.

485449999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 61.

The square root of 485449999 is about 22032.9298777988. The cubic root of 485449999 is about 785.9257198115.

The spelling of 485449999 in words is "four hundred eighty-five million, four hundred forty-nine thousand, nine hundred ninety-nine".