9803862356544 has 189 divisors, whose sum is σ = 28261954470009. Its totient is φ = 3249342789120.

The previous prime is 9803862356531. The next prime is 9803862356569. The reversal of 9803862356544 is 4456532683089.

The square root of 9803862356544 is 3131112.

It is a perfect power (a square), and thus also a powerful number.

9803862356544 is a `hidden beast` number, since 9 + 8 + 0 + 3 + 8 + 6 + 23 + 565 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3142507834944 + 6661354521600 = 1772712^2 + 2580960^2 .

It is a super-2 number, since 2×9803862356544² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21266512474 + ... + 21266512934.

Almost surely, 2^{9803862356544} is an apocalyptic number.

9803862356544 is the 3131112-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9803862356544

9803862356544 is an abundant number, since it is smaller than the sum of its proper divisors (18458092113465).

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

9803862356544 is an frugal number, since it uses more digits than its factorization.

9803862356544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 63.

The spelling of 9803862356544 in words is "nine trillion, eight hundred three billion, eight hundred sixty-two million, three hundred fifty-six thousand, five hundred forty-four".