68330519 has 2 divisors, whose sum is σ = 68330520. Its totient is φ = 68330518.

The previous prime is 68330501. The next prime is 68330533. The reversal of 68330519 is 91503386.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68330519 is a prime.

It is a super-2 number, since 2×68330519² = 9338119653618722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68330219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34165259 + 34165260.

It is an arithmetic number, because the mean of its divisors is an integer number (34165260).

Almost surely, 2^68330519 is an apocalyptic number.

68330519 is a deficient number, since it is larger than the sum of its proper divisors (1).

68330519 is an equidigital number, since it uses as much as digits as its factorization.

68330519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 68330519 is about 8266.2276160290. The cubic root of 68330519 is about 408.8257477914.

The spelling of 68330519 in words is "sixty-eight million, three hundred thirty thousand, five hundred nineteen".