824429149 has 2 divisors, whose sum is σ = 824429150. Its totient is φ = 824429148.

The previous prime is 824429119. The next prime is 824429219. The reversal of 824429149 is 941924428.

824429149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793548900 + 30880249 = 28170^2 + 5557^2 .

It is a cyclic number.

It is not a de Polignac number, because 824429149 - 2¹³ = 824420957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (824429119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412214574 + 412214575.

It is an arithmetic number, because the mean of its divisors is an integer number (412214575).

Almost surely, 2^824429149 is an apocalyptic number.

It is an amenable number.

824429149 is a deficient number, since it is larger than the sum of its proper divisors (1).

824429149 is an equidigital number, since it uses as much as digits as its factorization.

824429149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 824429149 is about 28712.8742727021. The cubic root of 824429149 is about 937.6723566723.

The spelling of 824429149 in words is "eight hundred twenty-four million, four hundred twenty-nine thousand, one hundred forty-nine".