198749919714 has 8 divisors (see below), whose sum is σ = 397499839440. Its totient is φ = 66249973236.

The previous prime is 198749919659. The next prime is 198749919737. The reversal of 198749919714 is 417919947891.

198749919714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

198749919714 is an admirable number.

It is an unprimeable number.

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, 16562493304 + ... + 16562493315.

It is an arithmetic number, because the mean of its divisors is an integer number (49687479930).

Almost surely, 2^198749919714 is an apocalyptic number.

198749919714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198749919714 is a wasteful number, since it uses less digits than its factorization.

198749919714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33124986624.

The product of its digits is 41150592, while the sum is 69.

The spelling of 198749919714 in words is "one hundred ninety-eight billion, seven hundred forty-nine million, nine hundred nineteen thousand, seven hundred fourteen".