9547969397568 has 112 divisors (see below), whose sum is σ = 28947419758080. Its totient is φ = 2720793245184.

The previous prime is 9547969397563. The next prime is 9547969397579. The reversal of 9547969397568 is 8657939697459.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9547969397563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8862846 + ... + 9881597.

Almost surely, 2^{9547969397568} is an apocalyptic number.

It is an amenable number.

9547969397568 is an abundant number, since it is smaller than the sum of its proper divisors (19399450360512).

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

9547969397568 is a wasteful number, since it uses less digits than its factorization.

9547969397568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18744844 (or 18744834 counting only the distinct ones).

The product of its digits is 27776649600, while the sum is 87.

The spelling of 9547969397568 in words is "nine trillion, five hundred forty-seven billion, nine hundred sixty-nine million, three hundred ninety-seven thousand, five hundred sixty-eight".