3798646321 has 2 divisors, whose sum is σ = 3798646322. Its totient is φ = 3798646320.

The previous prime is 3798646249. The next prime is 3798646337. The reversal of 3798646321 is 1236468973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3792712225 + 5934096 = 61585^2 + 2436^2 .

It is a cyclic number.

It is not a de Polignac number, because 3798646321 - 2¹⁷ = 3798515249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3798646381) 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, 1899323160 + 1899323161.

It is an arithmetic number, because the mean of its divisors is an integer number (1899323161).

Almost surely, 2^3798646321 is an apocalyptic number.

It is an amenable number.

3798646321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3798646321 is an equidigital number, since it uses as much as digits as its factorization.

3798646321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The square root of 3798646321 is about 61633.1592651229. The cubic root of 3798646321 is about 1560.3054301427.

The spelling of 3798646321 in words is "three billion, seven hundred ninety-eight million, six hundred forty-six thousand, three hundred twenty-one".