8497515986613 has 48 divisors (see below), whose sum is σ = 13154809181696. Its totient is φ = 5475837193920.

The previous prime is 8497515986569. The next prime is 8497515986623. The reversal of 8497515986613 is 3166895157948.

8497515986613 is a `hidden beast` number, since 8 + 4 + 9 + 7 + 515 + 98 + 6 + 6 + 13 = 666.

It is not a de Polignac number, because 8497515986613 - 2¹⁸ = 8497515724469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8497515986623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5764431 + ... + 7086867.

Almost surely, 2^{8497515986613} is an apocalyptic number.

It is an amenable number.

8497515986613 is a deficient number, since it is larger than the sum of its proper divisors (4657293195083).

8497515986613 is a wasteful number, since it uses less digits than its factorization.

8497515986613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323336 (or 1323324 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 72.

The spelling of 8497515986613 in words is "eight trillion, four hundred ninety-seven billion, five hundred fifteen million, nine hundred eighty-six thousand, six hundred thirteen".