2065418819 has 2 divisors, whose sum is σ = 2065418820. Its totient is φ = 2065418818.

The previous prime is 2065418777. The next prime is 2065418827. The reversal of 2065418819 is 9188145602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065418819 is a prime.

It is a super-2 number, since 2×2065418819² = 8531909795758709522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2065418819.

It is not a weakly prime, because it can be changed into another prime (2065418899) 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, 1032709409 + 1032709410.

It is an arithmetic number, because the mean of its divisors is an integer number (1032709410).

Almost surely, 2^2065418819 is an apocalyptic number.

2065418819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065418819 is an equidigital number, since it uses as much as digits as its factorization.

2065418819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 2065418819 is about 45446.8790897681. The cubic root of 2065418819 is about 1273.5110274769.

The spelling of 2065418819 in words is "two billion, sixty-five million, four hundred eighteen thousand, eight hundred nineteen".