68909559103 has 8 divisors (see below), whose sum is σ = 85913216640. Its totient is φ = 53695760280.

The previous prime is 68909559079. The next prime is 68909559113. The reversal of 68909559103 is 30195590986.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68909559103 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 (68909559113) 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, 447464593 + ... + 447464746.

It is an arithmetic number, because the mean of its divisors is an integer number (10739152080).

Almost surely, 2^68909559103 is an apocalyptic number.

68909559103 is a deficient number, since it is larger than the sum of its proper divisors (17003657537).

68909559103 is a wasteful number, since it uses less digits than its factorization.

68909559103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894929357.

The product of its (nonzero) digits is 2624400, while the sum is 55.

The spelling of 68909559103 in words is "sixty-eight billion, nine hundred nine million, five hundred fifty-nine thousand, one hundred three".