11649097843 has 2 divisors, whose sum is σ = 11649097844. Its totient is φ = 11649097842.

The previous prime is 11649097769. The next prime is 11649097849. The reversal of 11649097843 is 34879094611.

11649097843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34879094611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11649097843 is a prime.

It is not a weakly prime, because it can be changed into another prime (11649097849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5824548921 + 5824548922.

It is an arithmetic number, because the mean of its divisors is an integer number (5824548922).

Almost surely, 2^11649097843 is an apocalyptic number.

11649097843 is a deficient number, since it is larger than the sum of its proper divisors (1).

11649097843 is an equidigital number, since it uses as much as digits as its factorization.

11649097843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 11649097843 in words is "eleven billion, six hundred forty-nine million, ninety-seven thousand, eight hundred forty-three".