9816536915 has 4 divisors (see below), whose sum is σ = 11779844304. Its totient is φ = 7853229528.

The previous prime is 9816536909. The next prime is 9816536921. The reversal of 9816536915 is 5196356189.

9816536915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9816536909) and next prime (9816536921).

It is a cyclic number.

It is not a de Polignac number, because 9816536915 - 2¹⁸ = 9816274771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981653687 + ... + 981653696.

It is an arithmetic number, because the mean of its divisors is an integer number (2944961076).

Almost surely, 2^9816536915 is an apocalyptic number.

9816536915 is a deficient number, since it is larger than the sum of its proper divisors (1963307389).

9816536915 is a wasteful number, since it uses less digits than its factorization.

9816536915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963307388.

The product of its digits is 1749600, while the sum is 53.

The square root of 9816536915 is about 99078.4381941904. The cubic root of 9816536915 is about 2141.1779780451.

The spelling of 9816536915 in words is "nine billion, eight hundred sixteen million, five hundred thirty-six thousand, nine hundred fifteen".