11443869213 has 64 divisors (see below), whose sum is σ = 18652004352. Its totient is φ = 6099445440.

The previous prime is 11443869179. The next prime is 11443869223. The reversal of 11443869213 is 31296834411.

11443869213 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 11443869213 - 2¹⁴ = 11443852829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443869223) 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 63 ways as a sum of consecutive naturals, for example, 7513270 + ... + 7514792.

It is an arithmetic number, because the mean of its divisors is an integer number (291437568).

Almost surely, 2^11443869213 is an apocalyptic number.

It is an amenable number.

11443869213 is a deficient number, since it is larger than the sum of its proper divisors (7208135139).

11443869213 is a wasteful number, since it uses less digits than its factorization.

11443869213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934.

The product of its digits is 124416, while the sum is 42.

The spelling of 11443869213 in words is "eleven billion, four hundred forty-three million, eight hundred sixty-nine thousand, two hundred thirteen".