68534731803 has 16 divisors (see below), whose sum is σ = 91554883200. Its totient is φ = 45602288256.

The previous prime is 68534731799. The next prime is 68534731817. The reversal of 68534731803 is 30813743586.

It is not a de Polignac number, because 68534731803 - 2² = 68534731799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68534731003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3469248 + ... + 3488946.

It is an arithmetic number, because the mean of its divisors is an integer number (5722180200).

Almost surely, 2^68534731803 is an apocalyptic number.

68534731803 is a deficient number, since it is larger than the sum of its proper divisors (23020151397).

68534731803 is a wasteful number, since it uses less digits than its factorization.

68534731803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21866.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 68534731803 in words is "sixty-eight billion, five hundred thirty-four million, seven hundred thirty-one thousand, eight hundred three".