68273388535 has 16 divisors (see below), whose sum is σ = 89508138912. Its totient is φ = 49580003200.

The previous prime is 68273388517. The next prime is 68273388551. The reversal of 68273388535 is 53588337286.

It is not a de Polignac number, because 68273388535 - 2⁹ = 68273388023 is a prime.

It is a super-2 number, since 2×68273388535² (a number of 22 digits) contains 22 as substring.

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 68273388535.

It is a congruent number.

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, 879556 + ... + 954025.

It is an arithmetic number, because the mean of its divisors is an integer number (5594258682).

Almost surely, 2^68273388535 is an apocalyptic number.

68273388535 is a deficient number, since it is larger than the sum of its proper divisors (21234750377).

68273388535 is a wasteful number, since it uses less digits than its factorization.

68273388535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834274.

The product of its digits is 29030400, while the sum is 58.

The spelling of 68273388535 in words is "sixty-eight billion, two hundred seventy-three million, three hundred eighty-eight thousand, five hundred thirty-five".