9646391186496 has 189 divisors, whose sum is σ = 28717619064901. Its totient is φ = 3214792862208.

The previous prime is 9646391186473. The next prime is 9646391186501. The reversal of 9646391186496 is 6946811936469.

The square root of 9646391186496 is 3105864.

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

9646391186496 is a `hidden beast` number, since 9 + 6 + 46 + 3 + 9 + 11 + 86 + 496 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8333845185600 + 1312546000896 = 2886840^2 + 1145664^2 .

It is a super-3 number, since 3×9646391186496³ (a number of 40 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2012597476 + ... + 2012602268.

Almost surely, 2^{9646391186496} is an apocalyptic number.

9646391186496 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

9646391186496 is the 3105864-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9646391186496

9646391186496 is an abundant number, since it is smaller than the sum of its proper divisors (19071227878405).

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

9646391186496 is an frugal number, since it uses more digits than its factorization.

9646391186496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9622 (or 4798 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 72.

The spelling of 9646391186496 in words is "nine trillion, six hundred forty-six billion, three hundred ninety-one million, one hundred eighty-six thousand, four hundred ninety-six".