4442661617 has 8 divisors (see below), whose sum is σ = 4500787200. Its totient is φ = 4384583424.

The previous prime is 4442661599. The next prime is 4442661637. The reversal of 4442661617 is 7161662444.

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

It is not a de Polignac number, because 4442661617 - 2⁸ = 4442661361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4442661637) 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, 201809 + ... + 222737.

It is an arithmetic number, because the mean of its divisors is an integer number (562598400).

Almost surely, 2^4442661617 is an apocalyptic number.

It is an amenable number.

4442661617 is a deficient number, since it is larger than the sum of its proper divisors (58125583).

4442661617 is a wasteful number, since it uses less digits than its factorization.

4442661617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23695.

The product of its digits is 193536, while the sum is 41.

The square root of 4442661617 is about 66653.2941196457. The cubic root of 4442661617 is about 1643.9215119565.

The spelling of 4442661617 in words is "four billion, four hundred forty-two million, six hundred sixty-one thousand, six hundred seventeen".