3204221789 has 2 divisors, whose sum is σ = 3204221790. Its totient is φ = 3204221788.

The previous prime is 3204221771. The next prime is 3204221827. The reversal of 3204221789 is 9871224023.

It is an a-pointer prime, because the next prime (3204221827) can be obtained adding 3204221789 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2965673764 + 238548025 = 54458^2 + 15445^2 .

It is a cyclic number.

It is not a de Polignac number, because 3204221789 - 2¹⁶ = 3204156253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3204221759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602110894 + 1602110895.

It is an arithmetic number, because the mean of its divisors is an integer number (1602110895).

Almost surely, 2^3204221789 is an apocalyptic number.

It is an amenable number.

3204221789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3204221789 is an equidigital number, since it uses as much as digits as its factorization.

3204221789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 3204221789 is about 56605.8458906852. The cubic root of 3204221789 is about 1474.2603648244.

The spelling of 3204221789 in words is "three billion, two hundred four million, two hundred twenty-one thousand, seven hundred eighty-nine".