68425845813 has 48 divisors (see below), whose sum is σ = 107872128000. Its totient is φ = 41542585344.

The previous prime is 68425845781. The next prime is 68425845857. The reversal of 68425845813 is 31854852486.

68425845813 is a `hidden beast` number, since 6 + 8 + 4 + 2 + 58 + 4 + 581 + 3 = 666.

It is not a de Polignac number, because 68425845813 - 2⁵ = 68425845781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68425845813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68425845413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17458068 + ... + 17461986.

It is an arithmetic number, because the mean of its divisors is an integer number (2247336000).

Almost surely, 2^68425845813 is an apocalyptic number.

It is an amenable number.

68425845813 is a deficient number, since it is larger than the sum of its proper divisors (39446282187).

68425845813 is a wasteful number, since it uses less digits than its factorization.

68425845813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906 (or 5903 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The spelling of 68425845813 in words is "sixty-eight billion, four hundred twenty-five million, eight hundred forty-five thousand, eight hundred thirteen".