9609999999998 has 4 divisors (see below), whose sum is σ = 14415000000000. Its totient is φ = 4804999999998.

The previous prime is 9609999999997. The next prime is 9610000000009. The reversal of 9609999999998 is 8999999999069.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9609999999997) 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 as a sum of consecutive naturals, namely, 2402499999998 + ... + 2402500000001.

It is an arithmetic number, because the mean of its divisors is an integer number (3603750000000).

Almost surely, 2^{9609999999998} is an apocalyptic number.

9609999999998 is a deficient number, since it is larger than the sum of its proper divisors (4805000000002).

9609999999998 is a wasteful number, since it uses less digits than its factorization.

9609999999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805000000001.

The product of its (nonzero) digits is 167365651248, while the sum is 104.

The spelling of 9609999999998 in words is "nine trillion, six hundred nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-eight".