9421668529 has 16 divisors (see below), whose sum is σ = 12206212480. Its totient is φ = 7062163200.

The previous prime is 9421668517. The next prime is 9421668577. The reversal of 9421668529 is 9258661249.

It is not a de Polignac number, because 9421668529 - 2⁵ = 9421668497 is a prime.

It is a super-3 number, since 3×9421668529³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9421668229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2722872 + ... + 2726329.

It is an arithmetic number, because the mean of its divisors is an integer number (762888280).

Almost surely, 2^9421668529 is an apocalyptic number.

It is an amenable number.

9421668529 is a deficient number, since it is larger than the sum of its proper divisors (2784543951).

9421668529 is a wasteful number, since it uses less digits than its factorization.

9421668529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449240.

The product of its digits is 1866240, while the sum is 52.

The square root of 9421668529 is about 97065.2797296747. The cubic root of 9421668529 is about 2112.0746968417.

The spelling of 9421668529 in words is "nine billion, four hundred twenty-one million, six hundred sixty-eight thousand, five hundred twenty-nine".