9106421109 has 16 divisors (see below), whose sum is σ = 12565264320. Its totient is φ = 5859418880.

The previous prime is 9106421101. The next prime is 9106421113. The reversal of 9106421109 is 9011246019.

It is a cyclic number.

It is not a de Polignac number, because 9106421109 - 2³ = 9106421101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9106421109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9106421101) 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 15 ways as a sum of consecutive naturals, for example, 233974 + ... + 270104.

It is an arithmetic number, because the mean of its divisors is an integer number (785329020).

Almost surely, 2^9106421109 is an apocalyptic number.

It is an amenable number.

9106421109 is a deficient number, since it is larger than the sum of its proper divisors (3458843211).

9106421109 is a wasteful number, since it uses less digits than its factorization.

9106421109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39060.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 9106421109 is about 95427.5699627733. The cubic root of 9106421109 is about 2088.2504156346.

The spelling of 9106421109 in words is "nine billion, one hundred six million, four hundred twenty-one thousand, one hundred nine".