1844414081 has 2 divisors, whose sum is σ = 1844414082. Its totient is φ = 1844414080.

The previous prime is 1844414071. The next prime is 1844414083. The reversal of 1844414081 is 1804144481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1338389056 + 506025025 = 36584^2 + 22495^2 .

It is an emirp because it is prime and its reverse (1804144481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1844414081 - 2²⁶ = 1777305217 is a prime.

It is a super-3 number, since 3×1844414081³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 1844414083, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1844414083) 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, 922207040 + 922207041.

It is an arithmetic number, because the mean of its divisors is an integer number (922207041).

Almost surely, 2^1844414081 is an apocalyptic number.

It is an amenable number.

1844414081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1844414081 is an equidigital number, since it uses as much as digits as its factorization.

1844414081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 1844414081 is about 42946.6422552451. The cubic root of 1844414081 is about 1226.3642346324.

The spelling of 1844414081 in words is "one billion, eight hundred forty-four million, four hundred fourteen thousand, eighty-one".