9678657106193 has 4 divisors (see below), whose sum is σ = 9679662064128. Its totient is φ = 9677652148260.

The previous prime is 9678657106189. The next prime is 9678657106231. The reversal of 9678657106193 is 3916017568769.

9678657106193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9678657106193 - 2² = 9678657106189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9678657106793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502464521 + ... + 502483782.

It is an arithmetic number, because the mean of its divisors is an integer number (2419915516032).

Almost surely, 2^{9678657106193} is an apocalyptic number.

It is an amenable number.

9678657106193 is a deficient number, since it is larger than the sum of its proper divisors (1004957935).

9678657106193 is a wasteful number, since it uses less digits than its factorization.

9678657106193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004957934.

The product of its (nonzero) digits is 102876480, while the sum is 68.

The spelling of 9678657106193 in words is "nine trillion, six hundred seventy-eight billion, six hundred fifty-seven million, one hundred six thousand, one hundred ninety-three".