11464043609 has 2 divisors, whose sum is σ = 11464043610. Its totient is φ = 11464043608.

The previous prime is 11464043599. The next prime is 11464043627. The reversal of 11464043609 is 90634046411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11017651225 + 446392384 = 104965^2 + 21128^2 .

It is a cyclic number.

It is not a de Polignac number, because 11464043609 - 2⁴ = 11464043593 is a prime.

It is not a weakly prime, because it can be changed into another prime (11464043639) 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 as a sum of consecutive naturals, namely, 5732021804 + 5732021805.

It is an arithmetic number, because the mean of its divisors is an integer number (5732021805).

Almost surely, 2^11464043609 is an apocalyptic number.

It is an amenable number.

11464043609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11464043609 is an equidigital number, since it uses as much as digits as its factorization.

11464043609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 11464043609 in words is "eleven billion, four hundred sixty-four million, forty-three thousand, six hundred nine".