68069675519 has 16 divisors (see below), whose sum is σ = 72303329280. Its totient is φ = 63902351520.

The previous prime is 68069675501. The next prime is 68069675521. The reversal of 68069675519 is 91557696086.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68069675519 is a prime.

It is a super-2 number, since 2×68069675519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68069675819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2041754 + ... + 2074824.

It is an arithmetic number, because the mean of its divisors is an integer number (4518958080).

Almost surely, 2^68069675519 is an apocalyptic number.

68069675519 is a deficient number, since it is larger than the sum of its proper divisors (4233653761).

68069675519 is a wasteful number, since it uses less digits than its factorization.

68069675519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34070.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 68069675519 in words is "sixty-eight billion, sixty-nine million, six hundred seventy-five thousand, five hundred nineteen".