1424005109 has 2 divisors, whose sum is σ = 1424005110. Its totient is φ = 1424005108.

The previous prime is 1424004997. The next prime is 1424005111. The reversal of 1424005109 is 9015004241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1008253009 + 415752100 = 31753^2 + 20390^2 .

It is an emirp because it is prime and its reverse (9015004241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1424005109 is a prime.

It is a Sophie Germain prime.

Together with 1424005111, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424005129) 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, 712002554 + 712002555.

It is an arithmetic number, because the mean of its divisors is an integer number (712002555).

Almost surely, 2^1424005109 is an apocalyptic number.

It is an amenable number.

1424005109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424005109 is an equidigital number, since it uses as much as digits as its factorization.

1424005109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1424005109 is about 37735.9922222803. The cubic root of 1424005109 is about 1125.0466111387.

The spelling of 1424005109 in words is "one billion, four hundred twenty-four million, five thousand, one hundred nine".