485469091 has 2 divisors, whose sum is σ = 485469092. Its totient is φ = 485469090.

The previous prime is 485469079. The next prime is 485469109. The reversal of 485469091 is 190964584.

It is a happy number.

Together with next prime (485469109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485469091 is a prime.

It is not a weakly prime, because it can be changed into another prime (485469001) 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, 242734545 + 242734546.

It is an arithmetic number, because the mean of its divisors is an integer number (242734546).

Almost surely, 2^485469091 is an apocalyptic number.

485469091 is a deficient number, since it is larger than the sum of its proper divisors (1).

485469091 is an equidigital number, since it uses as much as digits as its factorization.

485469091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 485469091 is about 22033.3631341200. The cubic root of 485469091 is about 785.9360227587.

The spelling of 485469091 in words is "four hundred eighty-five million, four hundred sixty-nine thousand, ninety-one".