2065436519 has 2 divisors, whose sum is σ = 2065436520. Its totient is φ = 2065436518.

The previous prime is 2065436441. The next prime is 2065436551. The reversal of 2065436519 is 9156345602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065436519 is a prime.

It is a super-2 number, since 2×2065436519² = 8532056028037674722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065436599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032718259 + 1032718260.

It is an arithmetic number, because the mean of its divisors is an integer number (1032718260).

Almost surely, 2^2065436519 is an apocalyptic number.

2065436519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065436519 is an equidigital number, since it uses as much as digits as its factorization.

2065436519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 2065436519 is about 45447.0738221945. The cubic root of 2065436519 is about 1273.5146653316.

The spelling of 2065436519 in words is "two billion, sixty-five million, four hundred thirty-six thousand, five hundred nineteen".