68356674441 has 28 divisors (see below), whose sum is σ = 111805243440. Its totient is φ = 41428282680.

The previous prime is 68356674439. The next prime is 68356674487. The reversal of 68356674441 is 14447665386.

68356674441 is a `hidden beast` number, since 6 + 8 + 3 + 566 + 74 + 4 + 4 + 1 = 666.

It is not a de Polignac number, because 68356674441 - 2¹ = 68356674439 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (68356674431) 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 27 ways as a sum of consecutive naturals, for example, 4254151 + ... + 4270188.

Almost surely, 2^68356674441 is an apocalyptic number.

It is an amenable number.

68356674441 is a deficient number, since it is larger than the sum of its proper divisors (43448568999).

68356674441 is an equidigital number, since it uses as much as digits as its factorization.

68356674441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8524368 (or 8524353 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 68356674441 in words is "sixty-eight billion, three hundred fifty-six million, six hundred seventy-four thousand, four hundred forty-one".