11938683682 has 4 divisors (see below), whose sum is σ = 17908025526. Its totient is φ = 5969341840.

The previous prime is 11938683677. The next prime is 11938683683. The reversal of 11938683682 is 28638683911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28638683911 = 14891 ⋅1923221.

It can be written as a sum of positive squares in only one way, i.e., 11551735441 + 386948241 = 107479^2 + 19671^2 .

It is not an unprimeable number, because it can be changed into a prime (11938683683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2984670919 + ... + 2984670922.

Almost surely, 2^11938683682 is an apocalyptic number.

11938683682 is a deficient number, since it is larger than the sum of its proper divisors (5969341844).

11938683682 is an equidigital number, since it uses as much as digits as its factorization.

11938683682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969341843.

The product of its digits is 2985984, while the sum is 55.

The spelling of 11938683682 in words is "eleven billion, nine hundred thirty-eight million, six hundred eighty-three thousand, six hundred eighty-two".