481628565406585 has 4 divisors (see below), whose sum is σ = 577954278487908. Its totient is φ = 385302852325264.

The previous prime is 481628565406523. The next prime is 481628565406603. The reversal of 481628565406585 is 585604565826184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48908356889401 + 432720208517184 = 6993451^2 + 20801928^2 .

It is a cyclic number.

It is not a de Polignac number, because 481628565406585 - 2¹¹ = 481628565404537 is a prime.

It is a super-2 number, since 2×481628565406585² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48162856540654 + ... + 48162856540663.

It is an arithmetic number, because the mean of its divisors is an integer number (144488569621977).

Almost surely, 2^{481628565406585} is an apocalyptic number.

It is an amenable number.

481628565406585 is a deficient number, since it is larger than the sum of its proper divisors (96325713081323).

481628565406585 is an equidigital number, since it uses as much as digits as its factorization.

481628565406585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96325713081322.

The product of its (nonzero) digits is 2211840000, while the sum is 73.

The spelling of 481628565406585 in words is "four hundred eighty-one trillion, six hundred twenty-eight billion, five hundred sixty-five million, four hundred six thousand, five hundred eighty-five".