68212353583 has 4 divisors (see below), whose sum is σ = 74413476648. Its totient is φ = 62011230520.

The previous prime is 68212353563. The next prime is 68212353589. The reversal of 68212353583 is 38535321286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68212353583 - 2²⁵ = 68178799151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68212353589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3100561516 + ... + 3100561537.

It is an arithmetic number, because the mean of its divisors is an integer number (18603369162).

Almost surely, 2^68212353583 is an apocalyptic number.

68212353583 is a deficient number, since it is larger than the sum of its proper divisors (6201123065).

68212353583 is a wasteful number, since it uses less digits than its factorization.

68212353583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201123064.

The product of its digits is 1036800, while the sum is 46.

The spelling of 68212353583 in words is "sixty-eight billion, two hundred twelve million, three hundred fifty-three thousand, five hundred eighty-three".