13868736441 has 16 divisors (see below), whose sum is σ = 21175680000. Its totient is φ = 7909104528.

The previous prime is 13868736437. The next prime is 13868736449. The reversal of 13868736441 is 14463786831.

It is a happy number.

It is not a de Polignac number, because 13868736441 - 2² = 13868736437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13868736449) 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, 651261 + ... + 672218.

It is an arithmetic number, because the mean of its divisors is an integer number (1323480000).

Almost surely, 2^13868736441 is an apocalyptic number.

It is an amenable number.

13868736441 is a deficient number, since it is larger than the sum of its proper divisors (7306943559).

13868736441 is a wasteful number, since it uses less digits than its factorization.

13868736441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323988.

The product of its digits is 2322432, while the sum is 51.

The spelling of 13868736441 in words is "thirteen billion, eight hundred sixty-eight million, seven hundred thirty-six thousand, four hundred forty-one".