1838104817 has 2 divisors, whose sum is σ = 1838104818. Its totient is φ = 1838104816.

The previous prime is 1838104747. The next prime is 1838104841. The reversal of 1838104817 is 7184018381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1832610481 + 5494336 = 42809^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 1838104817 - 2⁸ = 1838104561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1838104417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919052408 + 919052409.

It is an arithmetic number, because the mean of its divisors is an integer number (919052409).

Almost surely, 2^1838104817 is an apocalyptic number.

It is an amenable number.

1838104817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838104817 is an equidigital number, since it uses as much as digits as its factorization.

1838104817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 1838104817 is about 42873.1246470327. The cubic root of 1838104817 is about 1224.9642787307.

The spelling of 1838104817 in words is "one billion, eight hundred thirty-eight million, one hundred four thousand, eight hundred seventeen".