485913319585 has 8 divisors (see below), whose sum is σ = 583552605096. Its totient is φ = 388426241280.

The previous prime is 485913319583. The next prime is 485913319589. The reversal of 485913319585 is 585913319584.

It can be written as a sum of positive squares in 4 ways, for example, as 31410827361 + 454502492224 = 177231^2 + 674168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 485913319585 - 2¹ = 485913319583 is a prime.

It is a super-2 number, since 2×485913319585² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485913319583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38044776 + ... + 38057545.

It is an arithmetic number, because the mean of its divisors is an integer number (72944075637).

Almost surely, 2^485913319585 is an apocalyptic number.

It is an amenable number.

485913319585 is a deficient number, since it is larger than the sum of its proper divisors (97639285511).

485913319585 is a wasteful number, since it uses less digits than its factorization.

485913319585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76103603.

The product of its digits is 23328000, while the sum is 61.

Subtracting 485913319585 from its reverse (585913319584), we obtain a palindrome (99999999999).

The spelling of 485913319585 in words is "four hundred eighty-five billion, nine hundred thirteen million, three hundred nineteen thousand, five hundred eighty-five".