4413644945 has 8 divisors (see below), whose sum is σ = 5299655040. Its totient is φ = 3528728560.

The previous prime is 4413644909. The next prime is 4413644947. The reversal of 4413644945 is 5494463144.

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

It is not a de Polignac number, because 4413644945 - 2⁸ = 4413644689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4413644896 and 4413644905.

It is not an unprimeable number, because it can be changed into a prime (4413644947) 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, 264521 + ... + 280710.

It is an arithmetic number, because the mean of its divisors is an integer number (662456880).

Almost surely, 2^4413644945 is an apocalyptic number.

It is an amenable number.

4413644945 is a deficient number, since it is larger than the sum of its proper divisors (886010095).

4413644945 is a wasteful number, since it uses less digits than its factorization.

4413644945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546855.

The product of its digits is 829440, while the sum is 44.

The square root of 4413644945 is about 66435.2688336549. The cubic root of 4413644945 is about 1640.3346710662.

The spelling of 4413644945 in words is "four billion, four hundred thirteen million, six hundred forty-four thousand, nine hundred forty-five".