9938909513 has 8 divisors (see below), whose sum is σ = 10720096128. Its totient is φ = 9160102224.

The previous prime is 9938909489. The next prime is 9938909573. The reversal of 9938909513 is 3159098399.

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

It is not a de Polignac number, because 9938909513 - 2¹⁰ = 9938908489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9938909573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586145 + ... + 602862.

It is an arithmetic number, because the mean of its divisors is an integer number (1340012016).

Almost surely, 2^9938909513 is an apocalyptic number.

It is an amenable number.

9938909513 is a deficient number, since it is larger than the sum of its proper divisors (781186615).

9938909513 is a wasteful number, since it uses less digits than its factorization.

9938909513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189663.

The product of its (nonzero) digits is 2361960, while the sum is 56.

The square root of 9938909513 is about 99694.0796286319. The cubic root of 9938909513 is about 2150.0385436032.

The spelling of 9938909513 in words is "nine billion, nine hundred thirty-eight million, nine hundred nine thousand, five hundred thirteen".