191420389348 has 12 divisors (see below), whose sum is σ = 335152272112. Its totient is φ = 95662597320.

The previous prime is 191420389331. The next prime is 191420389367. The reversal of 191420389348 is 843983024191.

191420389348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 191420389295 and 191420389304.

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, 11890290 + ... + 11906377.

Almost surely, 2^191420389348 is an apocalyptic number.

It is an amenable number.

191420389348 is a deficient number, since it is larger than the sum of its proper divisors (143731882764).

191420389348 is a wasteful number, since it uses less digits than its factorization.

191420389348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23798682 (or 23798680 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 191420389348 in words is "one hundred ninety-one billion, four hundred twenty million, three hundred eighty-nine thousand, three hundred forty-eight".