4240012429 has 2 divisors, whose sum is σ = 4240012430. Its totient is φ = 4240012428.

The previous prime is 4240012409. The next prime is 4240012477. The reversal of 4240012429 is 9242100424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4081932100 + 158080329 = 63890^2 + 12573^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240012429 - 2¹¹ = 4240010381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4240012397 and 4240012406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240012409) 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, 2120006214 + 2120006215.

It is an arithmetic number, because the mean of its divisors is an integer number (2120006215).

Almost surely, 2^4240012429 is an apocalyptic number.

It is an amenable number.

4240012429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240012429 is an equidigital number, since it uses as much as digits as its factorization.

4240012429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 4240012429 is about 65115.3778227540. The cubic root of 4240012429 is about 1618.5360484184.

The spelling of 4240012429 in words is "four billion, two hundred forty million, twelve thousand, four hundred twenty-nine".