9736621566736 has 45 divisors (see below), whose sum is σ = 18907580761023. Its totient is φ = 4857270963840.

The previous prime is 9736621566703. The next prime is 9736621566761. The reversal of 9736621566736 is 6376651266379.

The square root of 9736621566736 is 3120356.

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

It can be written as a sum of positive squares in 4 ways, for example, as 374000741136 + 9362620825600 = 611556^2 + 3059840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10347100026 + ... + 10347100966.

Almost surely, 2^{9736621566736} is an apocalyptic number.

9736621566736 is the 3120356-th square number.

It is an amenable number.

9736621566736 is a deficient number, since it is larger than the sum of its proper divisors (9170959194287).

9736621566736 is an frugal number, since it uses more digits than its factorization.

9736621566736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 1772 counting only the distinct ones).

The product of its digits is 308629440, while the sum is 67.

The spelling of 9736621566736 in words is "nine trillion, seven hundred thirty-six billion, six hundred twenty-one million, five hundred sixty-six thousand, seven hundred thirty-six".