9738391338 has 24 divisors (see below), whose sum is σ = 22722913668. Its totient is φ = 2996428032.

The previous prime is 9738391307. The next prime is 9738391373. The reversal of 9738391338 is 8331938379.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9630085689 + 108305649 = 98133^2 + 10407^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20808295 + ... + 20808762.

Almost surely, 2^9738391338 is an apocalyptic number.

9738391338 is an abundant number, since it is smaller than the sum of its proper divisors (12984522330).

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

9738391338 is a wasteful number, since it uses less digits than its factorization.

9738391338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41617078 (or 41617075 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 9738391338 is about 98683.2880380462. The cubic root of 9738391338 is about 2135.4811434376.

The spelling of 9738391338 in words is "nine billion, seven hundred thirty-eight million, three hundred ninety-one thousand, three hundred thirty-eight".