68359989403 has 8 divisors (see below), whose sum is σ = 69306709248. Its totient is φ = 67413547584.

The previous prime is 68359989353. The next prime is 68359989407. The reversal of 68359989403 is 30498995386.

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-68359989403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68359989407) 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, 452601 + ... + 584437.

It is an arithmetic number, because the mean of its divisors is an integer number (8663338656).

Almost surely, 2^68359989403 is an apocalyptic number.

68359989403 is a deficient number, since it is larger than the sum of its proper divisors (946719845).

68359989403 is a wasteful number, since it uses less digits than its factorization.

68359989403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139013.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 68359989403 in words is "sixty-eight billion, three hundred fifty-nine million, nine hundred eighty-nine thousand, four hundred three".