2328781219 has 2 divisors, whose sum is σ = 2328781220. Its totient is φ = 2328781218.

The previous prime is 2328781127. The next prime is 2328781237. The reversal of 2328781219 is 9121878232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2328781219 is a prime.

It is a super-2 number, since 2×2328781219² = 10846443931934251922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2328781289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1164390609 + 1164390610.

It is an arithmetic number, because the mean of its divisors is an integer number (1164390610).

Almost surely, 2^2328781219 is an apocalyptic number.

2328781219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2328781219 is an equidigital number, since it uses as much as digits as its factorization.

2328781219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 2328781219 is about 48257.4472905478. The cubic root of 2328781219 is about 1325.4893114353.

The spelling of 2328781219 in words is "two billion, three hundred twenty-eight million, seven hundred eighty-one thousand, two hundred nineteen".