11838273329 has 2 divisors, whose sum is σ = 11838273330. Its totient is φ = 11838273328.

The previous prime is 11838273301. The next prime is 11838273401. The reversal of 11838273329 is 92337283811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9405120400 + 2433152929 = 96980^2 + 49327^2 .

It is an emirp because it is prime and its reverse (92337283811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11838273329 - 2¹⁶ = 11838207793 is a prime.

It is a super-2 number, since 2×11838273329² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11838273229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5919136664 + 5919136665.

It is an arithmetic number, because the mean of its divisors is an integer number (5919136665).

Almost surely, 2^11838273329 is an apocalyptic number.

It is an amenable number.

11838273329 is a deficient number, since it is larger than the sum of its proper divisors (1).

11838273329 is an equidigital number, since it uses as much as digits as its factorization.

11838273329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The spelling of 11838273329 in words is "eleven billion, eight hundred thirty-eight million, two hundred seventy-three thousand, three hundred twenty-nine".