9813165983 has 4 divisors (see below), whose sum is σ = 9820768488. Its totient is φ = 9805563480.

The previous prime is 9813165977. The next prime is 9813165997. The reversal of 9813165983 is 3895613189.

9813165983 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 a cyclic number.

It is not a de Polignac number, because 9813165983 - 2²⁰ = 9812117407 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 (9813165913) by changing a digit.

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, 3799316 + ... + 3801897.

It is an arithmetic number, because the mean of its divisors is an integer number (2455192122).

Almost surely, 2^9813165983 is an apocalyptic number.

9813165983 is a deficient number, since it is larger than the sum of its proper divisors (7602505).

9813165983 is a wasteful number, since it uses less digits than its factorization.

9813165983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602504.

The product of its digits is 1399680, while the sum is 53.

The square root of 9813165983 is about 99061.4253026878. The cubic root of 9813165983 is about 2140.9328613350.

The spelling of 9813165983 in words is "nine billion, eight hundred thirteen million, one hundred sixty-five thousand, nine hundred eighty-three".