68281446835 has 12 divisors (see below), whose sum is σ = 95315326128. Its totient is φ = 46821563376.

The previous prime is 68281446817. The next prime is 68281446901. The reversal of 68281446835 is 53864418286.

It is not a de Polignac number, because 68281446835 - 2⁵ = 68281446803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139349647 + ... + 139350136.

It is an arithmetic number, because the mean of its divisors is an integer number (7942943844).

Almost surely, 2^68281446835 is an apocalyptic number.

68281446835 is a deficient number, since it is larger than the sum of its proper divisors (27033879293).

68281446835 is a wasteful number, since it uses less digits than its factorization.

68281446835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278699802 (or 278699795 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 55.

The spelling of 68281446835 in words is "sixty-eight billion, two hundred eighty-one million, four hundred forty-six thousand, eight hundred thirty-five".