486560317581 has 40 divisors (see below), whose sum is σ = 788911140864. Its totient is φ = 297064000800.

The previous prime is 486560317577. The next prime is 486560317667. The reversal of 486560317581 is 185713065684.

It is a happy number.

486560317581 is a `hidden beast` number, since 4 + 8 + 6 + 56 + 0 + 3 + 1 + 7 + 581 = 666.

It is not a de Polignac number, because 486560317581 - 2² = 486560317577 is a prime.

It is a super-2 number, since 2×486560317581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486560317531) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1685445 + ... + 1952906.

Almost surely, 2^486560317581 is an apocalyptic number.

It is an amenable number.

486560317581 is a deficient number, since it is larger than the sum of its proper divisors (302350823283).

486560317581 is a wasteful number, since it uses less digits than its factorization.

486560317581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638503 (or 3638494 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 486560317581 in words is "four hundred eighty-six billion, five hundred sixty million, three hundred seventeen thousand, five hundred eighty-one".