4243012405 has 8 divisors (see below), whose sum is σ = 5391121752. Its totient is φ = 3194738688.

The previous prime is 4243012393. The next prime is 4243012421. The reversal of 4243012405 is 5042103424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 94750756 + 4148261649 = 9734^2 + 64407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4243012405 - 2⁹ = 4243011893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4243012405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24958812 + ... + 24958981.

It is an arithmetic number, because the mean of its divisors is an integer number (673890219).

Almost surely, 2^4243012405 is an apocalyptic number.

It is an amenable number.

4243012405 is a deficient number, since it is larger than the sum of its proper divisors (1148109347).

4243012405 is a wasteful number, since it uses less digits than its factorization.

4243012405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49917815.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4243012405 is about 65138.4095983315. The cubic root of 4243012405 is about 1618.9176844523.

Adding to 4243012405 its reverse (5042103424), we get a palindrome (9285115829).

The spelling of 4243012405 in words is "four billion, two hundred forty-three million, twelve thousand, four hundred five".