9794195866624 has 99 divisors (see below), whose sum is σ = 21203560256853. Its totient is φ = 4519797215232.

The previous prime is 9794195866573. The next prime is 9794195866627. The reversal of 9794195866624 is 4266685914979.

The square root of 9794195866624 is 3129568.

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

It can be written as a sum of positive squares in only one way, i.e., 1448845542400 + 8345350324224 = 1203680^2 + 2888832^2 .

It is not an unprimeable number, because it can be changed into a prime (9794195866627) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1301896527 + ... + 1301904049.

Almost surely, 2^{9794195866624} is an apocalyptic number.

9794195866624 is the 3129568-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9794195866624

9794195866624 is an abundant number, since it is smaller than the sum of its proper divisors (11409364390229).

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

9794195866624 is an frugal number, since it uses more digits than its factorization.

9794195866624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15092 (or 7538 counting only the distinct ones).

The product of its digits is 1410877440, while the sum is 76.

The spelling of 9794195866624 in words is "nine trillion, seven hundred ninety-four billion, one hundred ninety-five million, eight hundred sixty-six thousand, six hundred twenty-four".