9856413439488 has 960 divisors, whose sum is σ = 36419585140224. Its totient is φ = 2492006400000.

The previous prime is 9856413439427. The next prime is 9856413439493. The reversal of 9856413439488 is 8849343146589.

9856413439488 is a `hidden beast` number, since 9 + 8 + 5 + 6 + 4 + 134 + 3 + 9 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2463485488 + ... + 2463489488.

Almost surely, 2^{9856413439488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9856413439488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18209792570112).

9856413439488 is an abundant number, since it is smaller than the sum of its proper divisors (26563171700736).

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

9856413439488 is a wasteful number, since it uses less digits than its factorization.

9856413439488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227 (or 4208 counting only the distinct ones).

The product of its digits is 716636160, while the sum is 72.

The spelling of 9856413439488 in words is "nine trillion, eight hundred fifty-six billion, four hundred thirteen million, four hundred thirty-nine thousand, four hundred eighty-eight".