11473344976909 has 2 divisors, whose sum is σ = 11473344976910. Its totient is φ = 11473344976908.

The previous prime is 11473344976867. The next prime is 11473344976921. The reversal of 11473344976909 is 90967944337411.

11473344976909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8631861628009 + 2841483348900 = 2938003^2 + 1685670^2 .

It is a cyclic number.

It is not a de Polignac number, because 11473344976909 - 2¹³ = 11473344968717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11473344971909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5736672488454 + 5736672488455.

It is an arithmetic number, because the mean of its divisors is an integer number (5736672488455).

Almost surely, 2^{11473344976909} is an apocalyptic number.

It is an amenable number.

11473344976909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11473344976909 is an equidigital number, since it uses as much as digits as its factorization.

11473344976909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123451776, while the sum is 67.

The spelling of 11473344976909 in words is "eleven trillion, four hundred seventy-three billion, three hundred forty-four million, nine hundred seventy-six thousand, nine hundred nine".