4479973561 has 8 divisors (see below), whose sum is σ = 5125749120. Its totient is φ = 3835642848.

The previous prime is 4479973523. The next prime is 4479973627. The reversal of 4479973561 is 1653799744.

4479973561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4479973561 - 2¹¹ = 4479971513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4479973661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354556 + ... + 366973.

It is an arithmetic number, because the mean of its divisors is an integer number (640718640).

Almost surely, 2^4479973561 is an apocalyptic number.

It is an amenable number.

4479973561 is a deficient number, since it is larger than the sum of its proper divisors (645775559).

4479973561 is an equidigital number, since it uses as much as digits as its factorization.

4479973561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722423.

The product of its digits is 5715360, while the sum is 55.

The square root of 4479973561 is about 66932.6046183771. The cubic root of 4479973561 is about 1648.5108769807.

The spelling of 4479973561 in words is "four billion, four hundred seventy-nine million, nine hundred seventy-three thousand, five hundred sixty-one".