4242443293 has 4 divisors (see below), whose sum is σ = 4628119968. Its totient is φ = 3856766620.

The previous prime is 4242443281. The next prime is 4242443323. The reversal of 4242443293 is 3923442424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242443293 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 (4242443213) 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 in 3 ways as a sum of consecutive naturals, for example, 192838321 + ... + 192838342.

It is an arithmetic number, because the mean of its divisors is an integer number (1157029992).

Almost surely, 2^4242443293 is an apocalyptic number.

It is an amenable number.

4242443293 is a deficient number, since it is larger than the sum of its proper divisors (385676675).

4242443293 is a wasteful number, since it uses less digits than its factorization.

4242443293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385676674.

The product of its digits is 165888, while the sum is 37.

The square root of 4242443293 is about 65134.0409693733. The cubic root of 4242443293 is about 1618.8452998201.

The spelling of 4242443293 in words is "four billion, two hundred forty-two million, four hundred forty-three thousand, two hundred ninety-three".