11449163443 has 4 divisors (see below), whose sum is σ = 11818491328. Its totient is φ = 11079835560.

The previous prime is 11449163423. The next prime is 11449163497. The reversal of 11449163443 is 34436194411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11449163443 - 2¹³ = 11449155251 is a prime.

It is a super-2 number, since 2×11449163443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11449163396 and 11449163405.

It is not an unprimeable number, because it can be changed into a prime (11449163423) 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 3 ways as a sum of consecutive naturals, for example, 184663896 + ... + 184663957.

It is an arithmetic number, because the mean of its divisors is an integer number (2954622832).

Almost surely, 2^11449163443 is an apocalyptic number.

11449163443 is a deficient number, since it is larger than the sum of its proper divisors (369327885).

11449163443 is an equidigital number, since it uses as much as digits as its factorization.

11449163443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369327884.

The product of its digits is 124416, while the sum is 40.

The spelling of 11449163443 in words is "eleven billion, four hundred forty-nine million, one hundred sixty-three thousand, four hundred forty-three".