2099675891 has 2 divisors, whose sum is σ = 2099675892. Its totient is φ = 2099675890.

The previous prime is 2099675869. The next prime is 2099675923. The reversal of 2099675891 is 1985769902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2099675891 - 2⁶ = 2099675827 is a prime.

It is not a weakly prime, because it can be changed into another prime (2099675801) 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 as a sum of consecutive naturals, namely, 1049837945 + 1049837946.

It is an arithmetic number, because the mean of its divisors is an integer number (1049837946).

Almost surely, 2^2099675891 is an apocalyptic number.

2099675891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099675891 is an equidigital number, since it uses as much as digits as its factorization.

2099675891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 56.

The square root of 2099675891 is about 45822.2204939918. The cubic root of 2099675891 is about 1280.5132810848.

The spelling of 2099675891 in words is "two billion, ninety-nine million, six hundred seventy-five thousand, eight hundred ninety-one".