13334443378 has 8 divisors (see below), whose sum is σ = 20005220268. Its totient is φ = 6666036624.

The previous prime is 13334443349. The next prime is 13334443379. The reversal of 13334443378 is 87334443331.

It can be written as a sum of positive squares in 2 ways, for example, as 12762898729 + 571544649 = 112973^2 + 23907^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13334443379) 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, 578401 + ... + 601012.

Almost surely, 2^13334443378 is an apocalyptic number.

13334443378 is a deficient number, since it is larger than the sum of its proper divisors (6670776890).

13334443378 is a wasteful number, since it uses less digits than its factorization.

13334443378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185068.

The product of its digits is 870912, while the sum is 43.

The spelling of 13334443378 in words is "thirteen billion, three hundred thirty-four million, four hundred forty-three thousand, three hundred seventy-eight".