13206145643 has 16 divisors (see below), whose sum is σ = 14151024000. Its totient is φ = 12286677312.

The previous prime is 13206145637. The next prime is 13206145663. The reversal of 13206145643 is 34654160231.

13206145643 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 13206145643 - 2¹⁰ = 13206144619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13206145663) by changing a digit.

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, 1224368 + ... + 1235106.

It is an arithmetic number, because the mean of its divisors is an integer number (884439000).

Almost surely, 2^13206145643 is an apocalyptic number.

13206145643 is a deficient number, since it is larger than the sum of its proper divisors (944878357).

13206145643 is a wasteful number, since it uses less digits than its factorization.

13206145643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 13206145643 in words is "thirteen billion, two hundred six million, one hundred forty-five thousand, six hundred forty-three".