9868839452520 has 64 divisors (see below), whose sum is σ = 30091871139840. Its totient is φ = 2588548051200.

The previous prime is 9868839452489. The next prime is 9868839452567. The reversal of 9868839452520 is 252549388689.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674093736 + ... + 674108375.

It is an arithmetic number, because the mean of its divisors is an integer number (470185486560).

Almost surely, 2^{9868839452520} is an apocalyptic number.

It is an amenable number.

9868839452520 is an abundant number, since it is smaller than the sum of its proper divisors (20223031687320).

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

9868839452520 is a wasteful number, since it uses less digits than its factorization.

9868839452520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348202186 (or 1348202182 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 69.

The spelling of 9868839452520 in words is "nine trillion, eight hundred sixty-eight billion, eight hundred thirty-nine million, four hundred fifty-two thousand, five hundred twenty".