2099780411 has 4 divisors (see below), whose sum is σ = 2103274824. Its totient is φ = 2096286000.

The previous prime is 2099780401. The next prime is 2099780453. The reversal of 2099780411 is 1140879902.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2099780411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099780401) 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, 1746305 + ... + 1747506.

It is an arithmetic number, because the mean of its divisors is an integer number (525818706).

Almost surely, 2^2099780411 is an apocalyptic number.

2099780411 is a deficient number, since it is larger than the sum of its proper divisors (3494413).

2099780411 is an equidigital number, since it uses as much as digits as its factorization.

2099780411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494412.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 2099780411 is about 45823.3609745073. The cubic root of 2099780411 is about 1280.5345283367.

The spelling of 2099780411 in words is "two billion, ninety-nine million, seven hundred eighty thousand, four hundred eleven".