4416861389 has 2 divisors, whose sum is σ = 4416861390. Its totient is φ = 4416861388.

The previous prime is 4416861349. The next prime is 4416861403. The reversal of 4416861389 is 9831686144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4037585764 + 379275625 = 63542^2 + 19475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4416861389 - 2¹⁶ = 4416795853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4416861349) 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, 2208430694 + 2208430695.

It is an arithmetic number, because the mean of its divisors is an integer number (2208430695).

Almost surely, 2^4416861389 is an apocalyptic number.

It is an amenable number.

4416861389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4416861389 is an equidigital number, since it uses as much as digits as its factorization.

4416861389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 50.

The square root of 4416861389 is about 66459.4717779189. The cubic root of 4416861389 is about 1640.7330389727.

The spelling of 4416861389 in words is "four billion, four hundred sixteen million, eight hundred sixty-one thousand, three hundred eighty-nine".