4243524411021 has 16 divisors (see below), whose sum is σ = 6557397884928. Its totient is φ = 2390717977200.

The previous prime is 4243524411001. The next prime is 4243524411041. The reversal of 4243524411021 is 1201144253424.

It is an interprime number because it is at equal distance from previous prime (4243524411001) and next prime (4243524411041).

It is not a de Polignac number, because 4243524411021 - 2⁵ = 4243524410989 is a prime.

It is a super-2 number, since 2×4243524411021² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243524411001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423044925 + ... + 1423047906.

It is an arithmetic number, because the mean of its divisors is an integer number (409837367808).

Almost surely, 2^{4243524411021} is an apocalyptic number.

It is an amenable number.

4243524411021 is a deficient number, since it is larger than the sum of its proper divisors (2313873473907).

4243524411021 is a wasteful number, since it uses less digits than its factorization.

4243524411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846092912.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 4243524411021 its reverse (1201144253424), we get a palindrome (5444668664445).

The spelling of 4243524411021 in words is "four trillion, two hundred forty-three billion, five hundred twenty-four million, four hundred eleven thousand, twenty-one".