485456381489 has 2 divisors, whose sum is σ = 485456381490. Its totient is φ = 485456381488.

The previous prime is 485456381483. The next prime is 485456381497. The reversal of 485456381489 is 984183654584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480480489889 + 4975891600 = 693167^2 + 70540^2 .

It is a cyclic number.

It is not a de Polignac number, because 485456381489 - 2⁸ = 485456381233 is a prime.

It is not a weakly prime, because it can be changed into another prime (485456381483) 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, 242728190744 + 242728190745.

It is an arithmetic number, because the mean of its divisors is an integer number (242728190745).

Almost surely, 2^485456381489 is an apocalyptic number.

It is an amenable number.

485456381489 is a deficient number, since it is larger than the sum of its proper divisors (1).

485456381489 is an equidigital number, since it uses as much as digits as its factorization.

485456381489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132710400, while the sum is 65.

The spelling of 485456381489 in words is "four hundred eighty-five billion, four hundred fifty-six million, three hundred eighty-one thousand, four hundred eighty-nine".