13956622405 has 16 divisors (see below), whose sum is σ = 18276338304. Its totient is φ = 10147020480.

The previous prime is 13956622369. The next prime is 13956622417. The reversal of 13956622405 is 50422665931.

13956622405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13956622405 - 2¹³ = 13956614213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139912 + ... + 217918.

It is an arithmetic number, because the mean of its divisors is an integer number (1142271144).

Almost surely, 2^13956622405 is an apocalyptic number.

It is an amenable number.

13956622405 is a deficient number, since it is larger than the sum of its proper divisors (4319715899).

13956622405 is a wasteful number, since it uses less digits than its factorization.

13956622405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81276.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 13956622405 in words is "thirteen billion, nine hundred fifty-six million, six hundred twenty-two thousand, four hundred five".