9973768893 has 16 divisors (see below), whose sum is σ = 14540069376. Its totient is φ = 6031054640.

The previous prime is 9973768873. The next prime is 9973768897. The reversal of 9973768893 is 3988673799.

It is a cyclic number.

It is not a de Polignac number, because 9973768893 - 2¹⁶ = 9973703357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973768897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326505 + ... + 355742.

It is an arithmetic number, because the mean of its divisors is an integer number (908754336).

Almost surely, 2^9973768893 is an apocalyptic number.

It is an amenable number.

9973768893 is a deficient number, since it is larger than the sum of its proper divisors (4566300483).

9973768893 is a wasteful number, since it uses less digits than its factorization.

9973768893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682704.

The product of its digits is 123451776, while the sum is 69.

The square root of 9973768893 is about 99868.7583431375. The cubic root of 9973768893 is about 2152.5492669492.

The spelling of 9973768893 in words is "nine billion, nine hundred seventy-three million, seven hundred sixty-eight thousand, eight hundred ninety-three".