68286618263 has 8 divisors (see below), whose sum is σ = 68354150400. Its totient is φ = 68219116888.

The previous prime is 68286618233. The next prime is 68286618277. The reversal of 68286618263 is 36281668286.

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

It is a cyclic number.

It is not a de Polignac number, because 68286618263 - 2¹² = 68286614167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68286618199 and 68286618208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68286618233) 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, 8490398 + ... + 8498436.

It is an arithmetic number, because the mean of its divisors is an integer number (8544268800).

Almost surely, 2^68286618263 is an apocalyptic number.

68286618263 is a deficient number, since it is larger than the sum of its proper divisors (67532137).

68286618263 is a wasteful number, since it uses less digits than its factorization.

68286618263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15381.

The product of its digits is 7962624, while the sum is 56.

The spelling of 68286618263 in words is "sixty-eight billion, two hundred eighty-six million, six hundred eighteen thousand, two hundred sixty-three".