68844764841273 has 24 divisors (see below), whose sum is σ = 99613735884936. Its totient is φ = 45817458336000.

The previous prime is 68844764841271. The next prime is 68844764841287. The reversal of 68844764841273 is 37214846744886.

It is a happy number.

68844764841273 is a `hidden beast` number, since 6 + 8 + 8 + 4 + 4 + 76 + 484 + 1 + 2 + 73 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5129695003689 + 63715069837584 = 2264883^2 + 7982172^2 .

It is not a de Polignac number, because 68844764841273 - 2¹ = 68844764841271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68844764841271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94168963 + ... + 94897223.

It is an arithmetic number, because the mean of its divisors is an integer number (4150572328539).

Almost surely, 2^{68844764841273} is an apocalyptic number.

It is an amenable number.

68844764841273 is a deficient number, since it is larger than the sum of its proper divisors (30768971043663).

68844764841273 is a wasteful number, since it uses less digits than its factorization.

68844764841273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746345 (or 746342 counting only the distinct ones).

The product of its digits is 1387266048, while the sum is 72.

The spelling of 68844764841273 in words is "sixty-eight trillion, eight hundred forty-four billion, seven hundred sixty-four million, eight hundred forty-one thousand, two hundred seventy-three".