9929139833 has 32 divisors (see below), whose sum is σ = 11307081600. Its totient is φ = 8661758976.

The previous prime is 9929139817. The next prime is 9929139877. The reversal of 9929139833 is 3389319299.

It is a cyclic number.

It is not a de Polignac number, because 9929139833 - 2⁴ = 9929139817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9929139533) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 8952683 + ... + 8953791.

It is an arithmetic number, because the mean of its divisors is an integer number (353346300).

Almost surely, 2^9929139833 is an apocalyptic number.

It is an amenable number.

9929139833 is a deficient number, since it is larger than the sum of its proper divisors (1377941767).

9929139833 is a wasteful number, since it uses less digits than its factorization.

9929139833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721.

The product of its digits is 2834352, while the sum is 56.

The square root of 9929139833 is about 99645.0692859411. The cubic root of 9929139833 is about 2149.3338360159. Note that the first 3 decimals are identical.

The spelling of 9929139833 in words is "nine billion, nine hundred twenty-nine million, one hundred thirty-nine thousand, eight hundred thirty-three".