2321204819 has 2 divisors, whose sum is σ = 2321204820. Its totient is φ = 2321204818.

The previous prime is 2321204779. The next prime is 2321204843. The reversal of 2321204819 is 9184021232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2321204819 - 2²⁴ = 2304427603 is a prime.

It is a super-2 number, since 2×2321204819² = 10775983623497645522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2321204219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160602409 + 1160602410.

It is an arithmetic number, because the mean of its divisors is an integer number (1160602410).

Almost surely, 2^2321204819 is an apocalyptic number.

2321204819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321204819 is an equidigital number, since it uses as much as digits as its factorization.

2321204819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2321204819 is about 48178.8835383304. The cubic root of 2321204819 is about 1324.0503115741.

The spelling of 2321204819 in words is "two billion, three hundred twenty-one million, two hundred four thousand, eight hundred nineteen".