68248129058 has 6 divisors (see below), whose sum is σ = 102372747771. Its totient is φ = 34123879802.

The previous prime is 68248129051. The next prime is 68248129111. The reversal of 68248129058 is 85092184286.

It can be written as a sum of positive squares in only one way, i.e., 34124064529 + 34124064529 = 184727^2 + 184727^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=184727.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68248129051) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 277091 + ... + 461817.

Almost surely, 2^68248129058 is an apocalyptic number.

68248129058 is a deficient number, since it is larger than the sum of its proper divisors (34124618713).

68248129058 is an frugal number, since it uses more digits than its factorization.

68248129058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369456 (or 184729 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 68248129058 in words is "sixty-eight billion, two hundred forty-eight million, one hundred twenty-nine thousand, fifty-eight".