68758268309 has 8 divisors (see below), whose sum is σ = 70062769920. Its totient is φ = 67466015856.

The previous prime is 68758268303. The next prime is 68758268317. The reversal of 68758268309 is 90386285786.

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 68758268309 - 2³⁶ = 38791573 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 (68758268303) 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, 3050957 + ... + 3073410.

It is an arithmetic number, because the mean of its divisors is an integer number (8757846240).

Almost surely, 2^68758268309 is an apocalyptic number.

It is an amenable number.

68758268309 is a deficient number, since it is larger than the sum of its proper divisors (1304501611).

68758268309 is a wasteful number, since it uses less digits than its factorization.

68758268309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124579.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 68758268309 in words is "sixty-eight billion, seven hundred fifty-eight million, two hundred sixty-eight thousand, three hundred nine".