68134773345 has 32 divisors (see below), whose sum is σ = 110859632640. Its totient is φ = 35726738880.

The previous prime is 68134773341. The next prime is 68134773349. The reversal of 68134773345 is 54337743186.

68134773345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (68134773341) and next prime (68134773349).

It is not a de Polignac number, because 68134773345 - 2² = 68134773341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68134773341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293232 + ... + 471438.

It is an arithmetic number, because the mean of its divisors is an integer number (3464363520).

Almost surely, 2^68134773345 is an apocalyptic number.

It is an amenable number.

68134773345 is a deficient number, since it is larger than the sum of its proper divisors (42724859295).

68134773345 is a wasteful number, since it uses less digits than its factorization.

68134773345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178645.

The product of its digits is 5080320, while the sum is 51.

The spelling of 68134773345 in words is "sixty-eight billion, one hundred thirty-four million, seven hundred seventy-three thousand, three hundred forty-five".