68199014519 has 2 divisors, whose sum is σ = 68199014520. Its totient is φ = 68199014518.

The previous prime is 68199014483. The next prime is 68199014537. The reversal of 68199014519 is 91541099186.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68199014519 is a prime.

It is a super-2 number, since 2×68199014519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68199014539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34099507259 + 34099507260.

It is an arithmetic number, because the mean of its divisors is an integer number (34099507260).

Almost surely, 2^68199014519 is an apocalyptic number.

68199014519 is a deficient number, since it is larger than the sum of its proper divisors (1).

68199014519 is an equidigital number, since it uses as much as digits as its factorization.

68199014519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 53.

The spelling of 68199014519 in words is "sixty-eight billion, one hundred ninety-nine million, fourteen thousand, five hundred nineteen".