2068509319 has 2 divisors, whose sum is σ = 2068509320. Its totient is φ = 2068509318.

The previous prime is 2068509307. The next prime is 2068509353. The reversal of 2068509319 is 9139058602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2068509319 - 2¹⁵ = 2068476551 is a prime.

It is a super-2 number, since 2×2068509319² = 8557461605579687522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2068507319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034254659 + 1034254660.

It is an arithmetic number, because the mean of its divisors is an integer number (1034254660).

Almost surely, 2^2068509319 is an apocalyptic number.

2068509319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068509319 is an equidigital number, since it uses as much as digits as its factorization.

2068509319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 2068509319 is about 45480.8676148554. The cubic root of 2068509319 is about 1274.1458986189.

The spelling of 2068509319 in words is "two billion, sixty-eight million, five hundred nine thousand, three hundred nineteen".