2821318219 has 2 divisors, whose sum is σ = 2821318220. Its totient is φ = 2821318218.

The previous prime is 2821318187. The next prime is 2821318261. The reversal of 2821318219 is 9128131282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2821318219 - 2⁵ = 2821318187 is a prime.

It is a super-2 number, since 2×2821318219² = 15919672985722663922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2821313219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410659109 + 1410659110.

It is an arithmetic number, because the mean of its divisors is an integer number (1410659110).

Almost surely, 2^2821318219 is an apocalyptic number.

2821318219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2821318219 is an equidigital number, since it uses as much as digits as its factorization.

2821318219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 37.

The square root of 2821318219 is about 53116.0824892047. The cubic root of 2821318219 is about 1413.0277507290.

The spelling of 2821318219 in words is "two billion, eight hundred twenty-one million, three hundred eighteen thousand, two hundred nineteen".