9896993636 has 12 divisors (see below), whose sum is σ = 17491222140. Its totient is φ = 4899501600.

The previous prime is 9896993599. The next prime is 9896993653. The reversal of 9896993636 is 6363996989.

It can be written as a sum of positive squares in 2 ways, for example, as 5427268900 + 4469724736 = 73670^2 + 66856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12248351 + ... + 12249158.

It is an arithmetic number, because the mean of its divisors is an integer number (1457601845).

Almost surely, 2^9896993636 is an apocalyptic number.

It is an amenable number.

9896993636 is a deficient number, since it is larger than the sum of its proper divisors (7594228504).

9896993636 is a wasteful number, since it uses less digits than its factorization.

9896993636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24497614 (or 24497612 counting only the distinct ones).

The product of its digits is 102036672, while the sum is 68.

The square root of 9896993636 is about 99483.6350160166. The cubic root of 9896993636 is about 2147.0117950788.

The spelling of 9896993636 in words is "nine billion, eight hundred ninety-six million, nine hundred ninety-three thousand, six hundred thirty-six".