4242011243 has 4 divisors (see below), whose sum is σ = 4244441160. Its totient is φ = 4239581328.

The previous prime is 4242011203. The next prime is 4242011287. The reversal of 4242011243 is 3421102424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4242011243 - 2¹⁰ = 4242010219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242011203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212338 + ... + 1215831.

It is an arithmetic number, because the mean of its divisors is an integer number (1061110290).

Almost surely, 2^4242011243 is an apocalyptic number.

4242011243 is a deficient number, since it is larger than the sum of its proper divisors (2429917).

4242011243 is a wasteful number, since it uses less digits than its factorization.

4242011243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429916.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4242011243 is about 65130.7242628239. The cubic root of 4242011243 is about 1618.7903436068.

Adding to 4242011243 its reverse (3421102424), we get a palindrome (7663113667).

The spelling of 4242011243 in words is "four billion, two hundred forty-two million, eleven thousand, two hundred forty-three".