8897641045793 has 6 divisors (see below), whose sum is σ = 9390585148434. Its totient is φ = 8429344148304.

The previous prime is 8897641045789. The next prime is 8897641045817. The reversal of 8897641045793 is 3975401467988.

It can be written as a sum of positive squares in only one way, i.e., 8762446580449 + 135194465344 = 2960143^2 + 367688^2 .

It is not a de Polignac number, because 8897641045793 - 2² = 8897641045789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8897641045093) 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 5 ways as a sum of consecutive naturals, for example, 12323602196 + ... + 12323602917.

It is an arithmetic number, because the mean of its divisors is an integer number (1565097524739).

Almost surely, 2^{8897641045793} is an apocalyptic number.

It is an amenable number.

8897641045793 is a deficient number, since it is larger than the sum of its proper divisors (492944102641).

8897641045793 is a wasteful number, since it uses less digits than its factorization.

8897641045793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24647205151 (or 24647205132 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 71.

The spelling of 8897641045793 in words is "eight trillion, eight hundred ninety-seven billion, six hundred forty-one million, forty-five thousand, seven hundred ninety-three".