485874709561 has 16 divisors (see below), whose sum is σ = 490257126864. Its totient is φ = 481510358784.

The previous prime is 485874709549. The next prime is 485874709597. The reversal of 485874709561 is 165907478584.

It can be written as a sum of positive squares in 8 ways, for example, as 370947600 + 485503761961 = 19260^2 + 696781^2 .

It is a cyclic number.

It is not a de Polignac number, because 485874709561 - 2⁷ = 485874709433 is a prime.

It is a super-2 number, since 2×485874709561² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 485874709493 and 485874709502.

It is not an unprimeable number, because it can be changed into a prime (485874709531) 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 in 15 ways as a sum of consecutive naturals, for example, 132137055 + ... + 132140731.

It is an arithmetic number, because the mean of its divisors is an integer number (30641070429).

Almost surely, 2^485874709561 is an apocalyptic number.

It is an amenable number.

485874709561 is a deficient number, since it is larger than the sum of its proper divisors (4382417303).

485874709561 is a wasteful number, since it uses less digits than its factorization.

485874709561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820.

The product of its (nonzero) digits is 67737600, while the sum is 64.

The spelling of 485874709561 in words is "four hundred eighty-five billion, eight hundred seventy-four million, seven hundred nine thousand, five hundred sixty-one".