9926320542729 has 8 divisors (see below), whose sum is σ = 13235289481440. Its totient is φ = 6617449316256.

The previous prime is 9926320542709. The next prime is 9926320542767. The reversal of 9926320542729 is 9272450236299.

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

It is not a de Polignac number, because 9926320542729 - 2²⁵ = 9926286988297 is a prime.

It is a super-2 number, since 2×9926320542729² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9926320542709) 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 7 ways as a sum of consecutive naturals, for example, 24190692 + ... + 24597605.

It is an arithmetic number, because the mean of its divisors is an integer number (1654411185180).

Almost surely, 2^{9926320542729} is an apocalyptic number.

It is an amenable number.

9926320542729 is a deficient number, since it is larger than the sum of its proper divisors (3308968938711).

9926320542729 is a wasteful number, since it uses less digits than its factorization.

9926320542729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48856119.

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 9926320542729 in words is "nine trillion, nine hundred twenty-six billion, three hundred twenty million, five hundred forty-two thousand, seven hundred twenty-nine".