11344649 has 2 divisors, whose sum is σ = 11344650. Its totient is φ = 11344648.

The previous prime is 11344643. The next prime is 11344651. The reversal of 11344649 is 94644311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11343424 + 1225 = 3368^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 11344649 - 2⁴ = 11344633 is a prime.

It is a super-3 number, since 3×11344649³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 11344651, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p₇₄₇₇₃₄ and since 11344649 and 747734 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11344643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672324 + 5672325.

It is an arithmetic number, because the mean of its divisors is an integer number (5672325).

Almost surely, 2^11344649 is an apocalyptic number.

It is an amenable number.

11344649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11344649 is an equidigital number, since it uses as much as digits as its factorization.

11344649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 11344649 is about 3368.1818537603. The cubic root of 11344649 is about 224.6968691572.

The spelling of 11344649 in words is "eleven million, three hundred forty-four thousand, six hundred forty-nine".