9618144926993 has 4 divisors (see below), whose sum is σ = 9713374084788. Its totient is φ = 9522915769200.

The previous prime is 9618144926941. The next prime is 9618144927029. The reversal of 9618144926993 is 3996294418169.

9618144926993 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4695745979089 + 4922398947904 = 2166967^2 + 2218648^2 .

It is a cyclic number.

It is not a de Polignac number, because 9618144926993 - 2¹⁴ = 9618144910609 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 (9618144926903) 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, 47614578746 + ... + 47614578947.

It is an arithmetic number, because the mean of its divisors is an integer number (2428343521197).

Almost surely, 2^{9618144926993} is an apocalyptic number.

It is an amenable number.

9618144926993 is a deficient number, since it is larger than the sum of its proper divisors (95229157795).

9618144926993 is a wasteful number, since it uses less digits than its factorization.

9618144926993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95229157794.

The product of its digits is 181398528, while the sum is 71.

The spelling of 9618144926993 in words is "nine trillion, six hundred eighteen billion, one hundred forty-four million, nine hundred twenty-six thousand, nine hundred ninety-three".