9638701320 has 32 divisors (see below), whose sum is σ = 28916104320. Its totient is φ = 2570320320.

The previous prime is 9638701307. The next prime is 9638701337. The reversal of 9638701320 is 231078369.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40161136 + ... + 40161375.

It is an arithmetic number, because the mean of its divisors is an integer number (903628260).

Almost surely, 2^9638701320 is an apocalyptic number.

It is an amenable number.

9638701320 is an abundant number, since it is smaller than the sum of its proper divisors (19277403000).

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

9638701320 is a wasteful number, since it uses less digits than its factorization.

9638701320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80322525 (or 80322521 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 9638701320 is about 98176.8879115650. The cubic root of 9638701320 is about 2128.1693013822.

Adding to 9638701320 its reverse (231078369), we get a palindrome (9869779689).

The spelling of 9638701320 in words is "nine billion, six hundred thirty-eight million, seven hundred one thousand, three hundred twenty".