4042519889 has 4 divisors (see below), whose sum is σ = 4042662756. Its totient is φ = 4042377024.

The previous prime is 4042519847. The next prime is 4042519909. The reversal of 4042519889 is 9889152404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2132130625 + 1910389264 = 46175^2 + 43708^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042519889 - 2²⁴ = 4025742673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042519489) 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, 13124 + ... + 90869.

It is an arithmetic number, because the mean of its divisors is an integer number (1010665689).

Almost surely, 2^4042519889 is an apocalyptic number.

It is an amenable number.

4042519889 is a deficient number, since it is larger than the sum of its proper divisors (142867).

4042519889 is a wasteful number, since it uses less digits than its factorization.

4042519889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142866.

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 4042519889 is about 63580.8138434858. The cubic root of 4042519889 is about 1593.0059151644.

The spelling of 4042519889 in words is "four billion, forty-two million, five hundred nineteen thousand, eight hundred eighty-nine".