4342441521 has 16 divisors (see below), whose sum is σ = 6349014720. Its totient is φ = 2618142720.

The previous prime is 4342441501. The next prime is 4342441577. The reversal of 4342441521 is 1251442434.

It is not a de Polignac number, because 4342441521 - 2¹⁴ = 4342425137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4342441501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334536 + ... + 347273.

It is an arithmetic number, because the mean of its divisors is an integer number (396813420).

Almost surely, 2^4342441521 is an apocalyptic number.

It is an amenable number.

4342441521 is a deficient number, since it is larger than the sum of its proper divisors (2006573199).

4342441521 is a wasteful number, since it uses less digits than its factorization.

4342441521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682016.

The product of its digits is 15360, while the sum is 30.

The square root of 4342441521 is about 65897.2041971433. The cubic root of 4342441521 is about 1631.4658700416.

Adding to 4342441521 its reverse (1251442434), we get a palindrome (5593883955).

The spelling of 4342441521 in words is "four billion, three hundred forty-two million, four hundred forty-one thousand, five hundred twenty-one".