4432121425 has 24 divisors (see below), whose sum is σ = 5824555776. Its totient is φ = 3334007040.

The previous prime is 4432121423. The next prime is 4432121453. The reversal of 4432121425 is 5241212344.

It is not a de Polignac number, because 4432121425 - 2¹ = 4432121423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4432121393 and 4432121402.

It is not an unprimeable number, because it can be changed into a prime (4432121423) 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 23 ways as a sum of consecutive naturals, for example, 515512 + ... + 524038.

It is an arithmetic number, because the mean of its divisors is an integer number (242689824).

Almost surely, 2^4432121425 is an apocalyptic number.

It is an amenable number.

4432121425 is a deficient number, since it is larger than the sum of its proper divisors (1392434351).

4432121425 is a wasteful number, since it uses less digits than its factorization.

4432121425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9777 (or 9772 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 4432121425 is about 66574.1798672729. The cubic root of 4432121425 is about 1642.6204173357.

Adding to 4432121425 its reverse (5241212344), we get a palindrome (9673333769).

The spelling of 4432121425 in words is "four billion, four hundred thirty-two million, one hundred twenty-one thousand, four hundred twenty-five".