11349091849 has 2 divisors, whose sum is σ = 11349091850. Its totient is φ = 11349091848.

The previous prime is 11349091841. The next prime is 11349091883. The reversal of 11349091849 is 94819094311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9978611449 + 1370480400 = 99893^2 + 37020^2 .

It is a cyclic number.

It is not a de Polignac number, because 11349091849 - 2³ = 11349091841 is a prime.

It is not a weakly prime, because it can be changed into another prime (11349091841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5674545924 + 5674545925.

It is an arithmetic number, because the mean of its divisors is an integer number (5674545925).

Almost surely, 2^11349091849 is an apocalyptic number.

It is an amenable number.

11349091849 is a deficient number, since it is larger than the sum of its proper divisors (1).

11349091849 is an equidigital number, since it uses as much as digits as its factorization.

11349091849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 11349091849 in words is "eleven billion, three hundred forty-nine million, ninety-one thousand, eight hundred forty-nine".