2029191109 has 8 divisors (see below), whose sum is σ = 2215895328. Its totient is φ = 1842858960.

The previous prime is 2029191097. The next prime is 2029191119. The reversal of 2029191109 is 9011919202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2029191109 - 2¹¹ = 2029189061 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 (2029191119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81547 + ... + 103480.

It is an arithmetic number, because the mean of its divisors is an integer number (276986916).

Almost surely, 2^2029191109 is an apocalyptic number.

It is an amenable number.

2029191109 is a deficient number, since it is larger than the sum of its proper divisors (186704219).

2029191109 is a wasteful number, since it uses less digits than its factorization.

2029191109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186035.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 2029191109 is about 45046.5438074887. The cubic root of 2029191109 is about 1266.0212158080.

The spelling of 2029191109 in words is "two billion, twenty-nine million, one hundred ninety-one thousand, one hundred nine".