11684328637438 has 8 divisors (see below), whose sum is σ = 17773344969840. Its totient is φ = 5759880314160.

The previous prime is 11684328637433. The next prime is 11684328637439. The reversal of 11684328637438 is 83473682348611.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11684328637438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11684328637433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41142002103 + ... + 41142002386.

It is an arithmetic number, because the mean of its divisors is an integer number (2221668121230).

Almost surely, 2^{11684328637438} is an apocalyptic number.

11684328637438 is a deficient number, since it is larger than the sum of its proper divisors (6089016332402).

11684328637438 is an equidigital number, since it uses as much as digits as its factorization.

11684328637438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82284004562.

The product of its digits is 111476736, while the sum is 64.

The spelling of 11684328637438 in words is "eleven trillion, six hundred eighty-four billion, three hundred twenty-eight million, six hundred thirty-seven thousand, four hundred thirty-eight".