11904963449 has 16 divisors (see below), whose sum is σ = 12720145920. Its totient is φ = 11117191680.

The previous prime is 11904963431. The next prime is 11904963479. The reversal of 11904963449 is 94436940911.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11904963449 - 2⁸ = 11904963193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11904963397 and 11904963406.

It is not an unprimeable number, because it can be changed into a prime (11904963479) 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 15 ways as a sum of consecutive naturals, for example, 2328554 + ... + 2333660.

It is an arithmetic number, because the mean of its divisors is an integer number (795009120).

Almost surely, 2^11904963449 is an apocalyptic number.

It is an amenable number.

11904963449 is a deficient number, since it is larger than the sum of its proper divisors (815182471).

11904963449 is a wasteful number, since it uses less digits than its factorization.

11904963449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 11904963449 in words is "eleven billion, nine hundred four million, nine hundred sixty-three thousand, four hundred forty-nine".