9929790340 has 12 divisors (see below), whose sum is σ = 20852559756. Its totient is φ = 3971916128.

The previous prime is 9929790193. The next prime is 9929790347. The reversal of 9929790340 is 430979299.

9929790340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4652058436 + 5277731904 = 68206^2 + 72648^2 .

It is not an unprimeable number, because it can be changed into a prime (9929790347) 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 3 ways as a sum of consecutive naturals, for example, 248244739 + ... + 248244778.

It is an arithmetic number, because the mean of its divisors is an integer number (1737713313).

Almost surely, 2^9929790340 is an apocalyptic number.

It is an amenable number.

9929790340 is an abundant number, since it is smaller than the sum of its proper divisors (10922769416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9929790340 is a wasteful number, since it uses less digits than its factorization.

9929790340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496489526 (or 496489524 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 9929790340 is about 99648.3333528464. Note that the first 4 decimals coincide. The cubic root of 9929790340 is about 2149.3807728166.

The spelling of 9929790340 in words is "nine billion, nine hundred twenty-nine million, seven hundred ninety thousand, three hundred forty".