4479660385 has 4 divisors (see below), whose sum is σ = 5375592468. Its totient is φ = 3583728304.

The previous prime is 4479660331. The next prime is 4479660391. The reversal of 4479660385 is 5830669744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3297400929 + 1182259456 = 57423^2 + 34384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4479660385 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447966034 + ... + 447966043.

It is an arithmetic number, because the mean of its divisors is an integer number (1343898117).

Almost surely, 2^4479660385 is an apocalyptic number.

It is an amenable number.

4479660385 is a deficient number, since it is larger than the sum of its proper divisors (895932083).

4479660385 is an equidigital number, since it uses as much as digits as its factorization.

4479660385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895932082.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 4479660385 is about 66930.2650898680. The cubic root of 4479660385 is about 1648.4724626116.

The spelling of 4479660385 in words is "four billion, four hundred seventy-nine million, six hundred sixty thousand, three hundred eighty-five".