11441450309 has 2 divisors, whose sum is σ = 11441450310. Its totient is φ = 11441450308.

The previous prime is 11441450297. The next prime is 11441450329. The reversal of 11441450309 is 90305414411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9990602209 + 1450848100 = 99953^2 + 38090^2 .

It is an emirp because it is prime and its reverse (90305414411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11441450309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11441450329) 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, 5720725154 + 5720725155.

It is an arithmetic number, because the mean of its divisors is an integer number (5720725155).

Almost surely, 2^11441450309 is an apocalyptic number.

It is an amenable number.

11441450309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11441450309 is an equidigital number, since it uses as much as digits as its factorization.

11441450309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 11441450309 in words is "eleven billion, four hundred forty-one million, four hundred fifty thousand, three hundred nine".