9984013091 has 4 divisors (see below), whose sum is σ = 10752014112. Its totient is φ = 9216012072.

The previous prime is 9984013073. The next prime is 9984013097. The reversal of 9984013091 is 1903104899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1903104899 = 17 ⋅111947347.

It is a cyclic number.

It is not a de Polignac number, because 9984013091 - 2¹⁰ = 9984012067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9984013097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384000491 + ... + 384000516.

It is an arithmetic number, because the mean of its divisors is an integer number (2688003528).

Almost surely, 2^9984013091 is an apocalyptic number.

9984013091 is a deficient number, since it is larger than the sum of its proper divisors (768001021).

9984013091 is a wasteful number, since it uses less digits than its factorization.

9984013091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768001020.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 9984013091 is about 99920.0334817798. The cubic root of 9984013091 is about 2153.2859859621.

The spelling of 9984013091 in words is "nine billion, nine hundred eighty-four million, thirteen thousand, ninety-one".