9943384004 has 6 divisors (see below), whose sum is σ = 17400922014. Its totient is φ = 4971692000.

The previous prime is 9943383991. The next prime is 9943384021. The reversal of 9943384004 is 4004833499.

It can be written as a sum of positive squares in only one way, i.e., 5955208900 + 3988175104 = 77170^2 + 63152^2 .

It is a super-3 number, since 3×9943384004³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242922997 + ... + 1242923004.

It is an arithmetic number, because the mean of its divisors is an integer number (2900153669).

Almost surely, 2^9943384004 is an apocalyptic number.

It is an amenable number.

9943384004 is a deficient number, since it is larger than the sum of its proper divisors (7457538010).

9943384004 is a wasteful number, since it uses less digits than its factorization.

9943384004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485846005 (or 2485846003 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 9943384004 is about 99716.5182103748. The cubic root of 9943384004 is about 2150.3611438769.

The spelling of 9943384004 in words is "nine billion, nine hundred forty-three million, three hundred eighty-four thousand, four".