485463851428885 has 12 divisors (see below), whose sum is σ = 677667906892908. Its totient is φ = 332889498122496.

The previous prime is 485463851428861. The next prime is 485463851428903. The reversal of 485463851428885 is 588824158364584.

It can be written as a sum of positive squares in 2 ways, for example, as 99470323257361 + 385993528171524 = 9973481^2 + 19646718^2 .

It is not a de Polignac number, because 485463851428885 - 2⁹ = 485463851428373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 990742553692 + ... + 990742554181.

It is an arithmetic number, because the mean of its divisors is an integer number (56472325574409).

Almost surely, 2^{485463851428885} is an apocalyptic number.

It is an amenable number.

485463851428885 is a deficient number, since it is larger than the sum of its proper divisors (192204055464023).

485463851428885 is a wasteful number, since it uses less digits than its factorization.

485463851428885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981485107892 (or 1981485107885 counting only the distinct ones).

The product of its digits is 9437184000, while the sum is 79.

The spelling of 485463851428885 in words is "four hundred eighty-five trillion, four hundred sixty-three billion, eight hundred fifty-one million, four hundred twenty-eight thousand, eight hundred eighty-five".