9665073263424 has 56 divisors (see below), whose sum is σ = 26918076862240. Its totient is φ = 3052128397824.

The previous prime is 9665073263413. The next prime is 9665073263431. The reversal of 9665073263424 is 4243623705669.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324704859 + ... + 1324712154.

Almost surely, 2^{9665073263424} is an apocalyptic number.

It is an amenable number.

9665073263424 is an abundant number, since it is smaller than the sum of its proper divisors (17253003598816).

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

9665073263424 is a wasteful number, since it uses less digits than its factorization.

9665073263424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649417047 (or 2649417037 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 57.

The spelling of 9665073263424 in words is "nine trillion, six hundred sixty-five billion, seventy-three million, two hundred sixty-three thousand, four hundred twenty-four".