11974184338 has 8 divisors (see below), whose sum is σ = 18001280700. Its totient is φ = 5973757440.

The previous prime is 11974184291. The next prime is 11974184347. The reversal of 11974184338 is 83348147911.

It can be written as a sum of positive squares in 2 ways, for example, as 10416855969 + 1557328369 = 102063^2 + 39463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11974184291 and 11974184300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6666243 + ... + 6668038.

Almost surely, 2^11974184338 is an apocalyptic number.

11974184338 is a deficient number, since it is larger than the sum of its proper divisors (6027096362).

11974184338 is a wasteful number, since it uses less digits than its factorization.

11974184338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334732.

The product of its digits is 580608, while the sum is 49.

The spelling of 11974184338 in words is "eleven billion, nine hundred seventy-four million, one hundred eighty-four thousand, three hundred thirty-eight".