68532949705 has 16 divisors (see below), whose sum is σ = 90185591808. Its totient is φ = 49581184000.

The previous prime is 68532949691. The next prime is 68532949729. The reversal of 68532949705 is 50794923586.

It is not a de Polignac number, because 68532949705 - 2²³ = 68524561097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68532949705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3251416 + ... + 3272425.

It is an arithmetic number, because the mean of its divisors is an integer number (5636599488).

Almost surely, 2^68532949705 is an apocalyptic number.

It is an amenable number.

68532949705 is a deficient number, since it is larger than the sum of its proper divisors (21652642103).

68532949705 is a wasteful number, since it uses less digits than its factorization.

68532949705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524048.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 68532949705 in words is "sixty-eight billion, five hundred thirty-two million, nine hundred forty-nine thousand, seven hundred five".