2109099029 has 4 divisors (see below), whose sum is σ = 2109683520. Its totient is φ = 2108514540.

The previous prime is 2109099007. The next prime is 2109099053. The reversal of 2109099029 is 9209909012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2109099029 - 2⁸ = 2109098773 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 (2109099529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286799 + ... + 294060.

It is an arithmetic number, because the mean of its divisors is an integer number (527420880).

Almost surely, 2^2109099029 is an apocalyptic number.

It is an amenable number.

2109099029 is a deficient number, since it is larger than the sum of its proper divisors (584491).

2109099029 is an equidigital number, since it uses as much as digits as its factorization.

2109099029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584490.

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

The square root of 2109099029 is about 45924.9281872057. The cubic root of 2109099029 is about 1282.4260282323.

The spelling of 2109099029 in words is "two billion, one hundred nine million, ninety-nine thousand, twenty-nine".