13380806838 has 32 divisors (see below), whose sum is σ = 30881650176. Its totient is φ = 3785969088.

The previous prime is 13380806837. The next prime is 13380806891. The reversal of 13380806838 is 83860808331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13380806837) 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 15 ways as a sum of consecutive naturals, for example, 1542231 + ... + 1550882.

It is an arithmetic number, because the mean of its divisors is an integer number (965051568).

Almost surely, 2^13380806838 is an apocalyptic number.

13380806838 is an abundant number, since it is smaller than the sum of its proper divisors (17500843338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13380806838 is a wasteful number, since it uses less digits than its factorization.

13380806838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093228.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 13380806838 in words is "thirteen billion, three hundred eighty million, eight hundred six thousand, eight hundred thirty-eight".