194793099971 has 4 divisors (see below), whose sum is σ = 194794010352. Its totient is φ = 194792189592.

The previous prime is 194793099947. The next prime is 194793100027. The reversal of 194793099971 is 179990397491.

194793099971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 194793099971 - 2³⁴ = 177613230787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194793099901) 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, 60530 + ... + 627096.

It is an arithmetic number, because the mean of its divisors is an integer number (48698502588).

Almost surely, 2^194793099971 is an apocalyptic number.

194793099971 is a deficient number, since it is larger than the sum of its proper divisors (910381).

194793099971 is an equidigital number, since it uses as much as digits as its factorization.

194793099971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910380.

The product of its (nonzero) digits is 34720812, while the sum is 68.

The spelling of 194793099971 in words is "one hundred ninety-four billion, seven hundred ninety-three million, ninety-nine thousand, nine hundred seventy-one".