4409888641 has 2 divisors, whose sum is σ = 4409888642. Its totient is φ = 4409888640.

The previous prime is 4409888633. The next prime is 4409888671. The reversal of 4409888641 is 1468889044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2400608016 + 2009280625 = 48996^2 + 44825^2 .

It is a cyclic number.

It is not a de Polignac number, because 4409888641 - 2³ = 4409888633 is a prime.

It is not a weakly prime, because it can be changed into another prime (4409888671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2204944320 + 2204944321.

It is an arithmetic number, because the mean of its divisors is an integer number (2204944321).

Almost surely, 2^4409888641 is an apocalyptic number.

It is an amenable number.

4409888641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4409888641 is an equidigital number, since it uses as much as digits as its factorization.

4409888641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1769472, while the sum is 52.

The square root of 4409888641 is about 66406.9924104382. The cubic root of 4409888641 is about 1639.8691945296.

The spelling of 4409888641 in words is "four billion, four hundred nine million, eight hundred eighty-eight thousand, six hundred forty-one".