68459261895 has 24 divisors (see below), whose sum is σ = 121556936592. Its totient is φ = 35621078400.

The previous prime is 68459261869. The next prime is 68459261903. The reversal of 68459261895 is 59816295486.

68459261895 is a `hidden beast` number, since 6 + 8 + 4 + 5 + 9 + 2 + 618 + 9 + 5 = 666.

It is not a de Polignac number, because 68459261895 - 2⁵ = 68459261863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18550801 + ... + 18554490.

It is an arithmetic number, because the mean of its divisors is an integer number (5064872358).

Almost surely, 2^68459261895 is an apocalyptic number.

68459261895 is a deficient number, since it is larger than the sum of its proper divisors (53097674697).

68459261895 is a wasteful number, since it uses less digits than its factorization.

68459261895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37105343 (or 37105340 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 63.

The spelling of 68459261895 in words is "sixty-eight billion, four hundred fifty-nine million, two hundred sixty-one thousand, eight hundred ninety-five".