4432661425 has 6 divisors (see below), whose sum is σ = 5496500198. Its totient is φ = 3546129120.

The previous prime is 4432661423. The next prime is 4432661479. The reversal of 4432661425 is 5241662344.

It can be written as a sum of positive squares in 3 ways, for example, as 131400369 + 4301261056 = 11463^2 + 65584^2 .

It is not a de Polignac number, because 4432661425 - 2¹ = 4432661423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4432661423) 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 5 ways as a sum of consecutive naturals, for example, 88653204 + ... + 88653253.

Almost surely, 2^4432661425 is an apocalyptic number.

It is an amenable number.

4432661425 is a deficient number, since it is larger than the sum of its proper divisors (1063838773).

4432661425 is a wasteful number, since it uses less digits than its factorization.

4432661425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177306467 (or 177306462 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 4432661425 is about 66578.2353701268. The cubic root of 4432661425 is about 1642.6871257220.

The spelling of 4432661425 in words is "four billion, four hundred thirty-two million, six hundred sixty-one thousand, four hundred twenty-five".