9983693481 has 8 divisors (see below), whose sum is σ = 13313535264. Its totient is φ = 6654823680.

The previous prime is 9983693449. The next prime is 9983693483. The reversal of 9983693481 is 1843963899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9983693481 - 2⁵ = 9983693449 is a prime.

It is a super-2 number, since 2×9983693481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9983693483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218680 + ... + 260361.

It is an arithmetic number, because the mean of its divisors is an integer number (1664191908).

Almost surely, 2^9983693481 is an apocalyptic number.

It is an amenable number.

9983693481 is a deficient number, since it is larger than the sum of its proper divisors (3329841783).

9983693481 is a wasteful number, since it uses less digits than its factorization.

9983693481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485991.

The product of its digits is 10077696, while the sum is 60.

The square root of 9983693481 is about 99918.4341400525. The cubic root of 9983693481 is about 2153.2630085925.

The spelling of 9983693481 in words is "nine billion, nine hundred eighty-three million, six hundred ninety-three thousand, four hundred eighty-one".