4243242013 has 6 divisors (see below), whose sum is σ = 4478325054. Its totient is φ = 4019913144.

The previous prime is 4243241971. The next prime is 4243242043. The reversal of 4243242013 is 3102423424.

It is a happy number.

4243242013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3116095684 + 1127146329 = 55822^2 + 33573^2 .

It is not a de Polignac number, because 4243242013 - 2²¹ = 4241144861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243242043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5876706 + ... + 5877427.

It is an arithmetic number, because the mean of its divisors is an integer number (746387509).

Almost surely, 2^4243242013 is an apocalyptic number.

It is an amenable number.

4243242013 is a deficient number, since it is larger than the sum of its proper divisors (235083041).

4243242013 is a wasteful number, since it uses less digits than its factorization.

4243242013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11754171 (or 11754152 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4243242013 is about 65140.1720369236. The cubic root of 4243242013 is about 1618.9468861697.

Adding to 4243242013 its reverse (3102423424), we get a palindrome (7345665437).

The spelling of 4243242013 in words is "four billion, two hundred forty-three million, two hundred forty-two thousand, thirteen".