191409933101 has 16 divisors (see below), whose sum is σ = 198956433408. Its totient is φ = 183949974000.

The previous prime is 191409933089. The next prime is 191409933119. The reversal of 191409933101 is 101339904191.

It is a cyclic number.

It is not a de Polignac number, because 191409933101 - 2³⁰ = 190336191277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191409933151) 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, 24463676 + ... + 24471498.

It is an arithmetic number, because the mean of its divisors is an integer number (12434777088).

Almost surely, 2^191409933101 is an apocalyptic number.

It is an amenable number.

191409933101 is a deficient number, since it is larger than the sum of its proper divisors (7546500307).

191409933101 is a wasteful number, since it uses less digits than its factorization.

191409933101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13232.

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 191409933101 in words is "one hundred ninety-one billion, four hundred nine million, nine hundred thirty-three thousand, one hundred one".