1838542425119 has 2 divisors, whose sum is σ = 1838542425120. Its totient is φ = 1838542425118.

The previous prime is 1838542425091. The next prime is 1838542425211. The reversal of 1838542425119 is 9115242458381.

It is a weak prime.

It is an emirp because it is prime and its reverse (9115242458381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1838542425119 - 2⁸ = 1838542424863 is a prime.

It is a super-2 number, since 2×1838542425119² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1838542425619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919271212559 + 919271212560.

It is an arithmetic number, because the mean of its divisors is an integer number (919271212560).

Almost surely, 2^{1838542425119} is an apocalyptic number.

1838542425119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838542425119 is an equidigital number, since it uses as much as digits as its factorization.

1838542425119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 53.

The spelling of 1838542425119 in words is "one trillion, eight hundred thirty-eight billion, five hundred forty-two million, four hundred twenty-five thousand, one hundred nineteen".