68694249686 has 16 divisors (see below), whose sum is σ = 104100282000. Its totient is φ = 33994408800.

The previous prime is 68694249671. The next prime is 68694249727.

68694249686 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×68694249686² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493445 + ... + 617151.

It is an arithmetic number, because the mean of its divisors is an integer number (6506267625).

Almost surely, 2^68694249686 is an apocalyptic number.

68694249686 is a deficient number, since it is larger than the sum of its proper divisors (35406032314).

68694249686 is a wasteful number, since it uses less digits than its factorization.

68694249686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126559.

The product of its digits is 214990848, while the sum is 68.

The spelling of 68694249686 in words is "sixty-eight billion, six hundred ninety-four million, two hundred forty-nine thousand, six hundred eighty-six".