1439424029 has 2 divisors, whose sum is σ = 1439424030. Its totient is φ = 1439424028.

The previous prime is 1439423989. The next prime is 1439424071. The reversal of 1439424029 is 9204249341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207562500 + 231861529 = 34750^2 + 15227^2 .

It is a cyclic number.

It is not a de Polignac number, because 1439424029 - 2¹⁶ = 1439358493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1439423983 and 1439424001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1439424079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719712014 + 719712015.

It is an arithmetic number, because the mean of its divisors is an integer number (719712015).

Almost surely, 2^1439424029 is an apocalyptic number.

It is an amenable number.

1439424029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1439424029 is an equidigital number, since it uses as much as digits as its factorization.

1439424029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1439424029 is about 37939.7420787227. The cubic root of 1439424029 is about 1129.0926563953.

The spelling of 1439424029 in words is "one billion, four hundred thirty-nine million, four hundred twenty-four thousand, twenty-nine".