11449083409 has 2 divisors, whose sum is σ = 11449083410. Its totient is φ = 11449083408.

The previous prime is 11449083383. The next prime is 11449083427. The reversal of 11449083409 is 90438094411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10028019600 + 1421063809 = 100140^2 + 37697^2 .

It is a cyclic number.

It is not a de Polignac number, because 11449083409 - 2⁵ = 11449083377 is a prime.

It is a super-2 number, since 2×11449083409² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11449083439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5724541704 + 5724541705.

It is an arithmetic number, because the mean of its divisors is an integer number (5724541705).

Almost surely, 2^11449083409 is an apocalyptic number.

It is an amenable number.

11449083409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11449083409 is an equidigital number, since it uses as much as digits as its factorization.

11449083409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 11449083409 in words is "eleven billion, four hundred forty-nine million, eighty-three thousand, four hundred nine".