11904963193 has 2 divisors, whose sum is σ = 11904963194. Its totient is φ = 11904963192.

The previous prime is 11904963179. The next prime is 11904963197. The reversal of 11904963193 is 39136940911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11730406249 + 174556944 = 108307^2 + 13212^2 .

It is an emirp because it is prime and its reverse (39136940911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11904963193 - 2⁹ = 11904962681 is a prime.

It is not a weakly prime, because it can be changed into another prime (11904963197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5952481596 + 5952481597.

It is an arithmetic number, because the mean of its divisors is an integer number (5952481597).

Almost surely, 2^11904963193 is an apocalyptic number.

It is an amenable number.

11904963193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11904963193 is an equidigital number, since it uses as much as digits as its factorization.

11904963193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 11904963193 in words is "eleven billion, nine hundred four million, nine hundred sixty-three thousand, one hundred ninety-three".