4427521113 has 16 divisors (see below), whose sum is σ = 6215489280. Its totient is φ = 2795688144.

The previous prime is 4427521099. The next prime is 4427521171. The reversal of 4427521113 is 3111257244.

It is not a de Polignac number, because 4427521113 - 2¹⁶ = 4427455577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4427521193) 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 15 ways as a sum of consecutive naturals, for example, 430570 + ... + 440732.

It is an arithmetic number, because the mean of its divisors is an integer number (388468080).

Almost surely, 2^4427521113 is an apocalyptic number.

It is an amenable number.

4427521113 is a deficient number, since it is larger than the sum of its proper divisors (1787968167).

4427521113 is a wasteful number, since it uses less digits than its factorization.

4427521113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17828.

The product of its digits is 6720, while the sum is 30.

The square root of 4427521113 is about 66539.6206256092. The cubic root of 4427521113 is about 1642.0519023484.

Adding to 4427521113 its reverse (3111257244), we get a palindrome (7538778357).

The spelling of 4427521113 in words is "four billion, four hundred twenty-seven million, five hundred twenty-one thousand, one hundred thirteen".