4098208789 has 2 divisors, whose sum is σ = 4098208790. Its totient is φ = 4098208788.

The previous prime is 4098208771. The next prime is 4098208799. The reversal of 4098208789 is 9878028904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3897504900 + 200703889 = 62430^2 + 14167^2 .

It is a cyclic number.

It is not a de Polignac number, because 4098208789 - 2¹¹ = 4098206741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4098208769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049104394 + 2049104395.

It is an arithmetic number, because the mean of its divisors is an integer number (2049104395).

Almost surely, 2^4098208789 is an apocalyptic number.

It is an amenable number.

4098208789 is a deficient number, since it is larger than the sum of its proper divisors (1).

4098208789 is an equidigital number, since it uses as much as digits as its factorization.

4098208789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 4098208789 is about 64017.2538383208. The cubic root of 4098208789 is about 1600.2875510528.

It can be divided in two parts, 409820 and 8789, that added together give a square (418609 = 647²).

The spelling of 4098208789 in words is "four billion, ninety-eight million, two hundred eight thousand, seven hundred eighty-nine".