1838535269 has 2 divisors, whose sum is σ = 1838535270. Its totient is φ = 1838535268.

The previous prime is 1838535263. The next prime is 1838535289. The reversal of 1838535269 is 9625358381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1835094244 + 3441025 = 42838^2 + 1855^2 .

It is an emirp because it is prime and its reverse (9625358381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1838535269 - 2²⁴ = 1821758053 is a prime.

It is a super-2 number, since 2×1838535269² = 6760423870713804722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1838535263) 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, 919267634 + 919267635.

It is an arithmetic number, because the mean of its divisors is an integer number (919267635).

Almost surely, 2^1838535269 is an apocalyptic number.

It is an amenable number.

1838535269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838535269 is an equidigital number, since it uses as much as digits as its factorization.

1838535269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 50.

The square root of 1838535269 is about 42878.1444211384. The cubic root of 1838535269 is about 1225.0598930039.

The spelling of 1838535269 in words is "one billion, eight hundred thirty-eight million, five hundred thirty-five thousand, two hundred sixty-nine".