68826853351 has 4 divisors (see below), whose sum is σ = 69656092632. Its totient is φ = 67997614072.

The previous prime is 68826853349. The next prime is 68826853363. The reversal of 68826853351 is 15335862886.

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 68826853351 - 2¹ = 68826853349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68826853292 and 68826853301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68826853391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414619516 + ... + 414619681.

It is an arithmetic number, because the mean of its divisors is an integer number (17414023158).

Almost surely, 2^68826853351 is an apocalyptic number.

68826853351 is a deficient number, since it is larger than the sum of its proper divisors (829239281).

68826853351 is an equidigital number, since it uses as much as digits as its factorization.

68826853351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829239280.

The product of its digits is 8294400, while the sum is 55.

The spelling of 68826853351 in words is "sixty-eight billion, eight hundred twenty-six million, eight hundred fifty-three thousand, three hundred fifty-one".