68371217386 has 4 divisors (see below), whose sum is σ = 102556826082. Its totient is φ = 34185608692.

The previous prime is 68371217311. The next prime is 68371217393.

68371217386 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 50206916761 + 18164300625 = 224069^2 + 134775^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17092804345 + ... + 17092804348.

Almost surely, 2^68371217386 is an apocalyptic number.

68371217386 is a deficient number, since it is larger than the sum of its proper divisors (34185608696).

68371217386 is a wasteful number, since it uses less digits than its factorization.

68371217386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34185608695.

The product of its digits is 2032128, while the sum is 52.

The spelling of 68371217386 in words is "sixty-eight billion, three hundred seventy-one million, two hundred seventeen thousand, three hundred eighty-six".