9939317390 has 16 divisors (see below), whose sum is σ = 17971003008. Its totient is φ = 3957897696.

The previous prime is 9939317351. The next prime is 9939317441. The reversal of 9939317390 is 937139399.

9939317390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 2226317 + ... + 2230776.

It is an arithmetic number, because the mean of its divisors is an integer number (1123187688).

Almost surely, 2^9939317390 is an apocalyptic number.

9939317390 is a deficient number, since it is larger than the sum of its proper divisors (8031685618).

9939317390 is a wasteful number, since it uses less digits than its factorization.

9939317390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457323.

The product of its (nonzero) digits is 1240029, while the sum is 53.

The square root of 9939317390 is about 99696.1252506836. The cubic root of 9939317390 is about 2150.0679545855.

The spelling of 9939317390 in words is "nine billion, nine hundred thirty-nine million, three hundred seventeen thousand, three hundred ninety".