11739954689 has 2 divisors, whose sum is σ = 11739954690. Its totient is φ = 11739954688.

The previous prime is 11739954683. The next prime is 11739954691. The reversal of 11739954689 is 98645993711.

11739954689 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., 10840974400 + 898980289 = 104120^2 + 29983^2 .

It is a cyclic number.

It is not a de Polignac number, because 11739954689 - 2⁸ = 11739954433 is a prime.

Together with 11739954691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11739954683) 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, 5869977344 + 5869977345.

It is an arithmetic number, because the mean of its divisors is an integer number (5869977345).

Almost surely, 2^11739954689 is an apocalyptic number.

It is an amenable number.

11739954689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11739954689 is an equidigital number, since it uses as much as digits as its factorization.

11739954689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 62.

The spelling of 11739954689 in words is "eleven billion, seven hundred thirty-nine million, nine hundred fifty-four thousand, six hundred eighty-nine".