4042551243 has 4 divisors (see below), whose sum is σ = 5390068328. Its totient is φ = 2695034160.

The previous prime is 4042551241. The next prime is 4042551269. The reversal of 4042551243 is 3421552404.

4042551243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4042551243 - 2¹ = 4042551241 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 4042551243.

It is not an unprimeable number, because it can be changed into a prime (4042551241) 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, 673758538 + ... + 673758543.

It is an arithmetic number, because the mean of its divisors is an integer number (1347517082).

Almost surely, 2^4042551243 is an apocalyptic number.

4042551243 is a deficient number, since it is larger than the sum of its proper divisors (1347517085).

4042551243 is a wasteful number, since it uses less digits than its factorization.

4042551243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347517084.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4042551243 is about 63581.0604111004. The cubic root of 4042551243 is about 1593.0100336333.

The spelling of 4042551243 in words is "four billion, forty-two million, five hundred fifty-one thousand, two hundred forty-three".