2872219321 has 2 divisors, whose sum is σ = 2872219322. Its totient is φ = 2872219320.

The previous prime is 2872219319. The next prime is 2872219327. The reversal of 2872219321 is 1239122782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2504001600 + 368217721 = 50040^2 + 19189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872219321 - 2¹ = 2872219319 is a prime.

Together with 2872219319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2872219327) 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, 1436109660 + 1436109661.

It is an arithmetic number, because the mean of its divisors is an integer number (1436109661).

Almost surely, 2^2872219321 is an apocalyptic number.

It is an amenable number.

2872219321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872219321 is an equidigital number, since it uses as much as digits as its factorization.

2872219321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 2872219321 is about 53593.0902355891. The cubic root of 2872219321 is about 1421.4749141552.

The spelling of 2872219321 in words is "two billion, eight hundred seventy-two million, two hundred nineteen thousand, three hundred twenty-one".