11384463221 has 2 divisors, whose sum is σ = 11384463222. Its totient is φ = 11384463220.

The previous prime is 11384463173. The next prime is 11384463227. The reversal of 11384463221 is 12236448311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10114324900 + 1270138321 = 100570^2 + 35639^2 .

It is a cyclic number.

It is not a de Polignac number, because 11384463221 - 2¹⁰ = 11384462197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11384463227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692231610 + 5692231611.

It is an arithmetic number, because the mean of its divisors is an integer number (5692231611).

Almost surely, 2^11384463221 is an apocalyptic number.

It is an amenable number.

11384463221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11384463221 is an equidigital number, since it uses as much as digits as its factorization.

11384463221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The spelling of 11384463221 in words is "eleven billion, three hundred eighty-four million, four hundred sixty-three thousand, two hundred twenty-one".