276429149 has 2 divisors, whose sum is σ = 276429150. Its totient is φ = 276429148.

The previous prime is 276429133. The next prime is 276429187. The reversal of 276429149 is 941924672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245548900 + 30880249 = 15670^2 + 5557^2 .

It is a cyclic number.

It is not a de Polignac number, because 276429149 - 2⁴ = 276429133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276429949) 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, 138214574 + 138214575.

It is an arithmetic number, because the mean of its divisors is an integer number (138214575).

Almost surely, 2^276429149 is an apocalyptic number.

It is an amenable number.

276429149 is a deficient number, since it is larger than the sum of its proper divisors (1).

276429149 is an equidigital number, since it uses as much as digits as its factorization.

276429149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 276429149 is about 16626.1585761715. The cubic root of 276429149 is about 651.4202860518.

It can be divided in two parts, 2764 and 29149, that added together give a palindrome (31913).

The spelling of 276429149 in words is "two hundred seventy-six million, four hundred twenty-nine thousand, one hundred forty-nine".