9940001983 has 8 divisors (see below), whose sum is σ = 10601533152. Its totient is φ = 9287006976.

The previous prime is 9940001933. The next prime is 9940001989. The reversal of 9940001983 is 3891000499.

9940001983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9940001983 - 2¹⁷ = 9939870911 is a prime.

It is a super-3 number, since 3×9940001983³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940001989) 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 7 ways as a sum of consecutive naturals, for example, 2131635 + ... + 2136292.

It is an arithmetic number, because the mean of its divisors is an integer number (1325191644).

Almost surely, 2^9940001983 is an apocalyptic number.

9940001983 is a deficient number, since it is larger than the sum of its proper divisors (661531169).

9940001983 is a wasteful number, since it uses less digits than its factorization.

9940001983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268081.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 9940001983 is about 99699.5585897952. The cubic root of 9940001983 is about 2150.1173170525.

The spelling of 9940001983 in words is "nine billion, nine hundred forty million, one thousand, nine hundred eighty-three".