68285842497 has 12 divisors (see below), whose sum is σ = 98638110480. Its totient is φ = 45522508248.

The previous prime is 68285842451. The next prime is 68285842531. The reversal of 68285842497 is 79424858286.

68285842497 is a `hidden beast` number, since 6 + 8 + 2 + 8 + 584 + 2 + 49 + 7 = 666.

It is not a de Polignac number, because 68285842497 - 2²⁶ = 68218733633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68285842447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260818 + ... + 452324.

It is an arithmetic number, because the mean of its divisors is an integer number (8219842540).

Almost surely, 2^68285842497 is an apocalyptic number.

It is an amenable number.

68285842497 is a deficient number, since it is larger than the sum of its proper divisors (30352267983).

68285842497 is a wasteful number, since it uses less digits than its factorization.

68285842497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231132 (or 231129 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 68285842497 in words is "sixty-eight billion, two hundred eighty-five million, eight hundred forty-two thousand, four hundred ninety-seven".