269961149 has 2 divisors, whose sum is σ = 269961150. Its totient is φ = 269961148.

The previous prime is 269961079. The next prime is 269961151. The reversal of 269961149 is 941169962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154828249 + 115132900 = 12443^2 + 10730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269961149 is a prime.

Together with 269961151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269961449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134980574 + 134980575.

It is an arithmetic number, because the mean of its divisors is an integer number (134980575).

Almost surely, 2^269961149 is an apocalyptic number.

It is an amenable number.

269961149 is a deficient number, since it is larger than the sum of its proper divisors (1).

269961149 is an equidigital number, since it uses as much as digits as its factorization.

269961149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 47.

The square root of 269961149 is about 16430.4944843422. The cubic root of 269961149 is about 646.2994048032.

The spelling of 269961149 in words is "two hundred sixty-nine million, nine hundred sixty-one thousand, one hundred forty-nine".