1119689149 has 2 divisors, whose sum is σ = 1119689150. Its totient is φ = 1119689148.

The previous prime is 1119689117. The next prime is 1119689161. The reversal of 1119689149 is 9419869111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746928900 + 372760249 = 27330^2 + 19307^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119689149 - 2⁵ = 1119689117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119609149) 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, 559844574 + 559844575.

It is an arithmetic number, because the mean of its divisors is an integer number (559844575).

Almost surely, 2^1119689149 is an apocalyptic number.

It is an amenable number.

1119689149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119689149 is an equidigital number, since it uses as much as digits as its factorization.

1119689149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 49.

The square root of 1119689149 is about 33461.7565139668. The cubic root of 1119689149 is about 1038.4027345765.

The spelling of 1119689149 in words is "one billion, one hundred nineteen million, six hundred eighty-nine thousand, one hundred forty-nine".