11634346649 has 2 divisors, whose sum is σ = 11634346650. Its totient is φ = 11634346648.

The previous prime is 11634346601. The next prime is 11634346667. The reversal of 11634346649 is 94664343611.

11634346649 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 can be written as a sum of positive squares in only one way, i.e., 8256993424 + 3377353225 = 90868^2 + 58115^2 .

It is a cyclic number.

It is not a de Polignac number, because 11634346649 - 2²⁰ = 11633298073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11634346679) 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, 5817173324 + 5817173325.

It is an arithmetic number, because the mean of its divisors is an integer number (5817173325).

Almost surely, 2^11634346649 is an apocalyptic number.

It is an amenable number.

11634346649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11634346649 is an equidigital number, since it uses as much as digits as its factorization.

11634346649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 47.

The spelling of 11634346649 in words is "eleven billion, six hundred thirty-four million, three hundred forty-six thousand, six hundred forty-nine".