68494455449486 has 16 divisors (see below), whose sum is σ = 112217364437760. Its totient is φ = 31096196650680.

The previous prime is 68494455449467. The next prime is 68494455449491.

68494455449486 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 68494455449486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882318166 + ... + 1882354553.

It is an arithmetic number, because the mean of its divisors is an integer number (7013585277360).

Almost surely, 2^{68494455449486} is an apocalyptic number.

68494455449486 is a deficient number, since it is larger than the sum of its proper divisors (43722908988274).

68494455449486 is a wasteful number, since it uses less digits than its factorization.

68494455449486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764673559.

The product of its digits is 19110297600, while the sum is 80.

The spelling of 68494455449486 in words is "sixty-eight trillion, four hundred ninety-four billion, four hundred fifty-five million, four hundred forty-nine thousand, four hundred eighty-six".