4461644243 has 8 divisors (see below), whose sum is σ = 5137946880. Its totient is φ = 3795072840.

The previous prime is 4461644227. The next prime is 4461644293. The reversal of 4461644243 is 3424461644.

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 4461644243 - 2⁴ = 4461644227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4461644197 and 4461644206.

It is not an unprimeable number, because it can be changed into a prime (4461644293) 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, 2431823 + ... + 2433656.

It is an arithmetic number, because the mean of its divisors is an integer number (642243360).

Almost surely, 2^4461644243 is an apocalyptic number.

4461644243 is a deficient number, since it is larger than the sum of its proper divisors (676302637).

4461644243 is a wasteful number, since it uses less digits than its factorization.

4461644243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865617.

The product of its digits is 221184, while the sum is 38.

The square root of 4461644243 is about 66795.5405921683. The cubic root of 4461644243 is about 1646.2595703462.

The spelling of 4461644243 in words is "four billion, four hundred sixty-one million, six hundred forty-four thousand, two hundred forty-three".