68122586635 has 4 divisors (see below), whose sum is σ = 81747103968. Its totient is φ = 54498069304.

The previous prime is 68122586563. The next prime is 68122586683. The reversal of 68122586635 is 53668522186.

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 68122586635 - 2¹¹ = 68122584587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6812258659 + ... + 6812258668.

It is an arithmetic number, because the mean of its divisors is an integer number (20436775992).

Almost surely, 2^68122586635 is an apocalyptic number.

68122586635 is a deficient number, since it is larger than the sum of its proper divisors (13624517333).

68122586635 is a wasteful number, since it uses less digits than its factorization.

68122586635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13624517332.

The product of its digits is 4147200, while the sum is 52.

The spelling of 68122586635 in words is "sixty-eight billion, one hundred twenty-two million, five hundred eighty-six thousand, six hundred thirty-five".