1068239519 has 2 divisors, whose sum is σ = 1068239520. Its totient is φ = 1068239518.

The previous prime is 1068239483. The next prime is 1068239573. The reversal of 1068239519 is 9159328601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1068239519 - 2²⁸ = 799804063 is a prime.

It is a super-2 number, since 2×1068239519² = 2282271339906702722, 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 1068239519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068239119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534119759 + 534119760.

It is an arithmetic number, because the mean of its divisors is an integer number (534119760).

Almost surely, 2^1068239519 is an apocalyptic number.

1068239519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068239519 is an equidigital number, since it uses as much as digits as its factorization.

1068239519 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 44.

The square root of 1068239519 is about 32683.9336524844. The cubic root of 1068239519 is about 1022.2478680427.

The spelling of 1068239519 in words is "one billion, sixty-eight million, two hundred thirty-nine thousand, five hundred nineteen".