8496682818649 has 9 divisors (see below), whose sum is σ = 8534942694111. Its totient is φ = 8458593728880.

The previous prime is 8496682818563. The next prime is 8496682818667. The reversal of 8496682818649 is 9468182866948.

It is a happy number.

The square root of 8496682818649 is 2914907.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3982247740249 + 4514435078400 = 1995557^2 + 2124720^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8496682818649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8496682818049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 661677469 + ... + 661690309.

Almost surely, 2^{8496682818649} is an apocalyptic number.

8496682818649 is the 2914907-th square number.

8496682818649 is the 1457454-th centered octagonal number.

It is an amenable number.

8496682818649 is a deficient number, since it is larger than the sum of its proper divisors (38259875462).

8496682818649 is an frugal number, since it uses more digits than its factorization.

8496682818649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26136 (or 13068 counting only the distinct ones).

The product of its digits is 2293235712, while the sum is 79.

The spelling of 8496682818649 in words is "eight trillion, four hundred ninety-six billion, six hundred eighty-two million, eight hundred eighteen thousand, six hundred forty-nine".