68713012663 has 8 divisors (see below), whose sum is σ = 69080092416. Its totient is φ = 68346009600.

The previous prime is 68713012639. The next prime is 68713012727. The reversal of 68713012663 is 36621031786.

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 68713012663 - 2¹⁷ = 68712881591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68713012063) 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, 3242743 + ... + 3263863.

It is an arithmetic number, because the mean of its divisors is an integer number (8635011552).

Almost surely, 2^68713012663 is an apocalyptic number.

68713012663 is a deficient number, since it is larger than the sum of its proper divisors (367079753).

68713012663 is a wasteful number, since it uses less digits than its factorization.

68713012663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38345.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 68713012663 in words is "sixty-eight billion, seven hundred thirteen million, twelve thousand, six hundred sixty-three".