2084199109 has 2 divisors, whose sum is σ = 2084199110. Its totient is φ = 2084199108.

The previous prime is 2084199101. The next prime is 2084199149. The reversal of 2084199109 is 9019914802.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1931602500 + 152596609 = 43950^2 + 12353^2 .

It is a cyclic number.

It is not a de Polignac number, because 2084199109 - 2³ = 2084199101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2084199101) 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, 1042099554 + 1042099555.

It is an arithmetic number, because the mean of its divisors is an integer number (1042099555).

Almost surely, 2^2084199109 is an apocalyptic number.

It is an amenable number.

2084199109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2084199109 is an equidigital number, since it uses as much as digits as its factorization.

2084199109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 2084199109 is about 45653.0295708839. The cubic root of 2084199109 is about 1277.3592833697.

The spelling of 2084199109 in words is "two billion, eighty-four million, one hundred ninety-nine thousand, one hundred nine".