1968492905198 has 8 divisors (see below), whose sum is σ = 3024757391040. Its totient is φ = 960240441520.

The previous prime is 1968492905191. The next prime is 1968492905209. The reversal of 1968492905198 is 8915092948691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968492905191) 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 3 ways as a sum of consecutive naturals, for example, 12003005438 + ... + 12003005601.

It is an arithmetic number, because the mean of its divisors is an integer number (378094673880).

Almost surely, 2^{1968492905198} is an apocalyptic number.

1968492905198 is a deficient number, since it is larger than the sum of its proper divisors (1056264485842).

1968492905198 is a wasteful number, since it uses less digits than its factorization.

1968492905198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24006011082.

The product of its (nonzero) digits is 100776960, while the sum is 71.

The spelling of 1968492905198 in words is "one trillion, nine hundred sixty-eight billion, four hundred ninety-two million, nine hundred five thousand, one hundred ninety-eight".