191912119382 has 4 divisors (see below), whose sum is σ = 287868179076. Its totient is φ = 95956059690.

The previous prime is 191912119361. The next prime is 191912119403. The reversal of 191912119382 is 283911219191.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 283911219191 = 1061 ⋅267588331.

It is an interprime number because it is at equal distance from previous prime (191912119361) and next prime (191912119403).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47978029844 + ... + 47978029847.

It is an arithmetic number, because the mean of its divisors is an integer number (71967044769).

Almost surely, 2^191912119382 is an apocalyptic number.

191912119382 is a deficient number, since it is larger than the sum of its proper divisors (95956059694).

191912119382 is an equidigital number, since it uses as much as digits as its factorization.

191912119382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95956059693.

The product of its digits is 69984, while the sum is 47.

The spelling of 191912119382 in words is "one hundred ninety-one billion, nine hundred twelve million, one hundred nineteen thousand, three hundred eighty-two".