9986219369604 has 75 divisors (see below), whose sum is σ = 26168404444567. Its totient is φ = 3320795303496.

The previous prime is 9986219369569. The next prime is 9986219369671. The reversal of 9986219369604 is 4069639126899.

The square root of 9986219369604 is 3160098.

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

9986219369604 is a `hidden beast` number, since 9 + 9 + 8 + 6 + 2 + 1 + 9 + 3 + 6 + 9 + 604 = 666.

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=1257.

It is a super-2 number, since 2×9986219369604² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 23833458907 + ... + 23833459325.

Almost surely, 2^{9986219369604} is an apocalyptic number.

9986219369604 is the 3160098-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9986219369604

9986219369604 is an abundant number, since it is smaller than the sum of its proper divisors (16182185074963).

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

9986219369604 is an frugal number, since it uses more digits than its factorization.

9986219369604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 272097792, while the sum is 72.

The spelling of 9986219369604 in words is "nine trillion, nine hundred eighty-six billion, two hundred nineteen million, three hundred sixty-nine thousand, six hundred four".