1808043119 has 2 divisors, whose sum is σ = 1808043120. Its totient is φ = 1808043118.

The previous prime is 1808043091. The next prime is 1808043131. The reversal of 1808043119 is 9113408081.

It is a strong prime.

It is an emirp because it is prime and its reverse (9113408081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1808043119 - 2²⁰ = 1806994543 is a prime.

It is a super-2 number, since 2×1808043119² = 6538039840326496322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1808043169) 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, 904021559 + 904021560.

It is an arithmetic number, because the mean of its divisors is an integer number (904021560).

Almost surely, 2^1808043119 is an apocalyptic number.

1808043119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1808043119 is an equidigital number, since it uses as much as digits as its factorization.

1808043119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1808043119 is about 42521.0902847046. The cubic root of 1808043119 is about 1218.2495543097.

The spelling of 1808043119 in words is "one billion, eight hundred eight million, forty-three thousand, one hundred nineteen".