9959750538 has 8 divisors (see below), whose sum is σ = 19919501088. Its totient is φ = 3319916844.

The previous prime is 9959750453. The next prime is 9959750569. The reversal of 9959750538 is 8350579599.

It is a happy number.

9959750538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

9959750538 is an admirable number.

It is an unprimeable number.

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, 829979206 + ... + 829979217.

It is an arithmetic number, because the mean of its divisors is an integer number (2489937636).

Almost surely, 2^9959750538 is an apocalyptic number.

9959750538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9959750538 is a wasteful number, since it uses less digits than its factorization.

9959750538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659958428.

The product of its (nonzero) digits is 15309000, while the sum is 60.

The square root of 9959750538 is about 99798.5497790424. The cubic root of 9959750538 is about 2151.5403087356.

The spelling of 9959750538 in words is "nine billion, nine hundred fifty-nine million, seven hundred fifty thousand, five hundred thirty-eight".