13384811705 has 32 divisors (see below), whose sum is σ = 17989288704. Its totient is φ = 9507649536.

The previous prime is 13384811647. The next prime is 13384811707. The reversal of 13384811705 is 50711848331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13384811705 - 2²⁸ = 13116376249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13384811707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95822 + ... + 189608.

It is an arithmetic number, because the mean of its divisors is an integer number (562165272).

Almost surely, 2^13384811705 is an apocalyptic number.

It is an amenable number.

13384811705 is a deficient number, since it is larger than the sum of its proper divisors (4604476999).

13384811705 is a wasteful number, since it uses less digits than its factorization.

13384811705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93905.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 13384811705 in words is "thirteen billion, three hundred eighty-four million, eight hundred eleven thousand, seven hundred five".