9648894089621 has 8 divisors (see below), whose sum is σ = 9994905696000. Its totient is φ = 9303768558000.

The previous prime is 9648894089609. The next prime is 9648894089687. The reversal of 9648894089621 is 1269804988469.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9648894089621 - 2³⁰ = 9647820347797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9648893089621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221496521 + ... + 221540078.

It is an arithmetic number, because the mean of its divisors is an integer number (1249363212000).

Almost surely, 2^{9648894089621} is an apocalyptic number.

It is an amenable number.

9648894089621 is a deficient number, since it is larger than the sum of its proper divisors (346011606379).

9648894089621 is a wasteful number, since it uses less digits than its factorization.

9648894089621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443037379.

The product of its (nonzero) digits is 429981696, while the sum is 74.

The spelling of 9648894089621 in words is "nine trillion, six hundred forty-eight billion, eight hundred ninety-four million, eighty-nine thousand, six hundred twenty-one".