68207605259 has 16 divisors (see below), whose sum is σ = 72107145600. Its totient is φ = 64339396416.

The previous prime is 68207605247. The next prime is 68207605273. The reversal of 68207605259 is 95250670286.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68207605259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68207605229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8185007 + ... + 8193335.

It is an arithmetic number, because the mean of its divisors is an integer number (4506696600).

Almost surely, 2^68207605259 is an apocalyptic number.

68207605259 is a deficient number, since it is larger than the sum of its proper divisors (3899540341).

68207605259 is a wasteful number, since it uses less digits than its factorization.

68207605259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10154.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 68207605259 in words is "sixty-eight billion, two hundred seven million, six hundred five thousand, two hundred fifty-nine".