4400004061 has 2 divisors, whose sum is σ = 4400004062. Its totient is φ = 4400004060.

The previous prime is 4400004047. The next prime is 4400004067. The reversal of 4400004061 is 1604000044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4399801561 + 202500 = 66331^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400004061 - 2⁹ = 4400003549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400004067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200002030 + 2200002031.

It is an arithmetic number, because the mean of its divisors is an integer number (2200002031).

Almost surely, 2^4400004061 is an apocalyptic number.

It is an amenable number.

4400004061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400004061 is an equidigital number, since it uses as much as digits as its factorization.

4400004061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4400004061 is about 66332.5264180402. The cubic root of 4400004061 is about 1638.6430453320.

The spelling of 4400004061 in words is "four billion, four hundred million, four thousand, sixty-one".