11938189308263 has 4 divisors (see below), whose sum is σ = 11938658362488. Its totient is φ = 11937720254040.

The previous prime is 11938189308259. The next prime is 11938189308281. The reversal of 11938189308263 is 36280398183911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11938189308263 - 2² = 11938189308259 is a prime.

It is a super-3 number, since 3×11938189308263³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11938189308196 and 11938189308205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11938189308223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234488933 + ... + 234539838.

It is an arithmetic number, because the mean of its divisors is an integer number (2984664590622).

Almost surely, 2^{11938189308263} is an apocalyptic number.

11938189308263 is a deficient number, since it is larger than the sum of its proper divisors (469054225).

11938189308263 is an equidigital number, since it uses as much as digits as its factorization.

11938189308263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469054224.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 11938189308263 in words is "eleven trillion, nine hundred thirty-eight billion, one hundred eighty-nine million, three hundred eight thousand, two hundred sixty-three".