4742243215 has 4 divisors (see below), whose sum is σ = 5690691864. Its totient is φ = 3793794568.

The previous prime is 4742243213. The next prime is 4742243227. The reversal of 4742243215 is 5123422474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5123422474 = 2 ⋅2561711237.

It is a cyclic number.

It is not a de Polignac number, because 4742243215 - 2¹ = 4742243213 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 (4742243213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474224317 + ... + 474224326.

It is an arithmetic number, because the mean of its divisors is an integer number (1422672966).

Almost surely, 2^4742243215 is an apocalyptic number.

4742243215 is a deficient number, since it is larger than the sum of its proper divisors (948448649).

4742243215 is an equidigital number, since it uses as much as digits as its factorization.

4742243215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948448648.

The product of its digits is 53760, while the sum is 34.

The square root of 4742243215 is about 68863.9471349123. The cubic root of 4742243215 is about 1680.0721830994.

Adding to 4742243215 its reverse (5123422474), we get a palindrome (9865665689).

The spelling of 4742243215 in words is "four billion, seven hundred forty-two million, two hundred forty-three thousand, two hundred fifteen".