193703797968 has 20 divisors (see below), whose sum is σ = 500401478208. Its totient is φ = 64567932640.

The previous prime is 193703797967. The next prime is 193703797979. The reversal of 193703797968 is 869797307391.

It is a super-2 number, since 2×193703797968² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193703797967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017747848 + ... + 2017747943.

Almost surely, 2^193703797968 is an apocalyptic number.

It is an amenable number.

193703797968 is an abundant number, since it is smaller than the sum of its proper divisors (306697680240).

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

193703797968 is a wasteful number, since it uses less digits than its factorization.

193703797968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035495802 (or 4035495796 counting only the distinct ones).

The product of its (nonzero) digits is 108020304, while the sum is 69.

The spelling of 193703797968 in words is "one hundred ninety-three billion, seven hundred three million, seven hundred ninety-seven thousand, nine hundred sixty-eight".