4443010661 has 2 divisors, whose sum is σ = 4443010662. Its totient is φ = 4443010660.

The previous prime is 4443010657. The next prime is 4443010679. The reversal of 4443010661 is 1660103444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3235448161 + 1207562500 = 56881^2 + 34750^2 .

It is a cyclic number.

It is not a de Polignac number, because 4443010661 - 2² = 4443010657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4443010651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221505330 + 2221505331.

It is an arithmetic number, because the mean of its divisors is an integer number (2221505331).

Almost surely, 2^4443010661 is an apocalyptic number.

It is an amenable number.

4443010661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4443010661 is an equidigital number, since it uses as much as digits as its factorization.

4443010661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 4443010661 is about 66655.9124234302. The cubic root of 4443010661 is about 1643.9645631694.

The spelling of 4443010661 in words is "four billion, four hundred forty-three million, ten thousand, six hundred sixty-one".