4439002661 has 8 divisors (see below), whose sum is σ = 4673497920. Its totient is φ = 4204593792.

The previous prime is 4439002627. The next prime is 4439002681. The reversal of 4439002661 is 1662009344.

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 4439002661 - 2¹⁸ = 4438740517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439002681) 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, 102101 + ... + 138933.

It is an arithmetic number, because the mean of its divisors is an integer number (584187240).

Almost surely, 2^4439002661 is an apocalyptic number.

It is an amenable number.

4439002661 is a deficient number, since it is larger than the sum of its proper divisors (234495259).

4439002661 is a wasteful number, since it uses less digits than its factorization.

4439002661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43195.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 4439002661 is about 66625.8407901919. The cubic root of 4439002661 is about 1643.4700792289.

The spelling of 4439002661 in words is "four billion, four hundred thirty-nine million, two thousand, six hundred sixty-one".