106989050191 has 2 divisors, whose sum is σ = 106989050192. Its totient is φ = 106989050190.

The previous prime is 106989050177. The next prime is 106989050219. The reversal of 106989050191 is 191050989601.

It is a weak prime.

It is an emirp because it is prime and its reverse (191050989601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106989050191 - 2⁹ = 106989049679 is a prime.

It is a super-2 number, since 2×106989050191² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106989050131) 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 as a sum of consecutive naturals, namely, 53494525095 + 53494525096.

It is an arithmetic number, because the mean of its divisors is an integer number (53494525096).

Almost surely, 2^106989050191 is an apocalyptic number.

106989050191 is a deficient number, since it is larger than the sum of its proper divisors (1).

106989050191 is an equidigital number, since it uses as much as digits as its factorization.

106989050191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 49.

The spelling of 106989050191 in words is "one hundred six billion, nine hundred eighty-nine million, fifty thousand, one hundred ninety-one".