1838144017 has 2 divisors, whose sum is σ = 1838144018. Its totient is φ = 1838144016.

The previous prime is 1838143963. The next prime is 1838144047. The reversal of 1838144017 is 7104418381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1307256336 + 530887681 = 36156^2 + 23041^2 .

It is an emirp because it is prime and its reverse (7104418381) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1838144017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1838144047) 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, 919072008 + 919072009.

It is an arithmetic number, because the mean of its divisors is an integer number (919072009).

Almost surely, 2^1838144017 is an apocalyptic number.

It is an amenable number.

1838144017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838144017 is an equidigital number, since it uses as much as digits as its factorization.

1838144017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1838144017 is about 42873.5818074487. The cubic root of 1838144017 is about 1224.9729866596.

The spelling of 1838144017 in words is "one billion, eight hundred thirty-eight million, one hundred forty-four thousand, seventeen".