68081695719 has 8 divisors (see below), whose sum is σ = 90776956032. Its totient is φ = 45387116280.

The previous prime is 68081695709. The next prime is 68081695769. The reversal of 68081695719 is 91759618086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68081695719 - 2²⁰ = 68080647143 is a prime.

It is a super-2 number, since 2×68081695719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68081695709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148182 + ... + 397644.

It is an arithmetic number, because the mean of its divisors is an integer number (11347119504).

Almost surely, 2^68081695719 is an apocalyptic number.

68081695719 is a deficient number, since it is larger than the sum of its proper divisors (22695260313).

68081695719 is a wasteful number, since it uses less digits than its factorization.

68081695719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340437.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The spelling of 68081695719 in words is "sixty-eight billion, eighty-one million, six hundred ninety-five thousand, seven hundred nineteen".