68755322319 has 4 divisors (see below), whose sum is σ = 91673763096. Its totient is φ = 45836881544.

The previous prime is 68755322281. The next prime is 68755322329. The reversal of 68755322319 is 91322355786.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68755322319 - 2¹² = 68755318223 is a prime.

It is a super-2 number, since 2×68755322319² (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 (68755322329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11459220384 + ... + 11459220389.

It is an arithmetic number, because the mean of its divisors is an integer number (22918440774).

Almost surely, 2^68755322319 is an apocalyptic number.

68755322319 is a deficient number, since it is larger than the sum of its proper divisors (22918440777).

68755322319 is a wasteful number, since it uses less digits than its factorization.

68755322319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22918440776.

The product of its digits is 2721600, while the sum is 51.

The spelling of 68755322319 in words is "sixty-eight billion, seven hundred fifty-five million, three hundred twenty-two thousand, three hundred nineteen".