2108449007 has 4 divisors (see below), whose sum is σ = 2409656016. Its totient is φ = 1807242000.

The previous prime is 2108448997. The next prime is 2108449009. The reversal of 2108449007 is 7009448012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2108449007 - 2¹⁰ = 2108447983 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 (2108449009) 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 3 ways as a sum of consecutive naturals, for example, 150603494 + ... + 150603507.

It is an arithmetic number, because the mean of its divisors is an integer number (602414004).

Almost surely, 2^2108449007 is an apocalyptic number.

2108449007 is a deficient number, since it is larger than the sum of its proper divisors (301207009).

2108449007 is an equidigital number, since it uses as much as digits as its factorization.

2108449007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301207008.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2108449007 is about 45917.8506356733. The cubic root of 2108449007 is about 1282.2942672649.

The spelling of 2108449007 in words is "two billion, one hundred eight million, four hundred forty-nine thousand, seven".