11873563449 has 16 divisors (see below), whose sum is σ = 17284658880. Its totient is φ = 7190256960.

The previous prime is 11873563439. The next prime is 11873563451. The reversal of 11873563449 is 94436537811.

11873563449 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 11873563449 - 2⁴ = 11873563433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11873563439) 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, 104614 + ... + 186255.

It is an arithmetic number, because the mean of its divisors is an integer number (1080291180).

Almost surely, 2^11873563449 is an apocalyptic number.

It is an amenable number.

11873563449 is a deficient number, since it is larger than the sum of its proper divisors (5411095431).

11873563449 is a wasteful number, since it uses less digits than its factorization.

11873563449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292120.

The product of its digits is 2177280, while the sum is 51.

The spelling of 11873563449 in words is "eleven billion, eight hundred seventy-three million, five hundred sixty-three thousand, four hundred forty-nine".