68669669326 has 4 divisors (see below), whose sum is σ = 103004503992. Its totient is φ = 34334834662.

The previous prime is 68669669323. The next prime is 68669669339. The reversal of 68669669326 is 62396696686.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68669669323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17167417330 + ... + 17167417333.

It is an arithmetic number, because the mean of its divisors is an integer number (25751125998).

Almost surely, 2^68669669326 is an apocalyptic number.

68669669326 is a deficient number, since it is larger than the sum of its proper divisors (34334834666).

68669669326 is a wasteful number, since it uses less digits than its factorization.

68669669326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34334834665.

The product of its digits is 181398528, while the sum is 67.

The spelling of 68669669326 in words is "sixty-eight billion, six hundred sixty-nine million, six hundred sixty-nine thousand, three hundred twenty-six".