1968492905199 has 16 divisors (see below), whose sum is σ = 2916482380800. Its totient is φ = 1312240135608.

The previous prime is 1968492905191. The next prime is 1968492905209. The reversal of 1968492905199 is 9915092948691.

1968492905199 is a `hidden beast` number, since 1 + 9 + 6 + 84 + 9 + 29 + 0 + 519 + 9 = 666.

It is not a de Polignac number, because 1968492905199 - 2³ = 1968492905191 is a prime.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2048269 + ... + 2851734.

It is an arithmetic number, because the mean of its divisors is an integer number (182280148800).

Almost surely, 2^{1968492905199} is an apocalyptic number.

1968492905199 is a deficient number, since it is larger than the sum of its proper divisors (947989475601).

1968492905199 is a wasteful number, since it uses less digits than its factorization.

1968492905199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914891 (or 4914885 counting only the distinct ones).

The product of its (nonzero) digits is 113374080, while the sum is 72.

The spelling of 1968492905199 in words is "one trillion, nine hundred sixty-eight billion, four hundred ninety-two million, nine hundred five thousand, one hundred ninety-nine".