68424308286911 has 4 divisors (see below), whose sum is σ = 68424353309400. Its totient is φ = 68424263264424.

The previous prime is 68424308286907. The next prime is 68424308286913. The reversal of 68424308286911 is 11968280342486.

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 68424308286911 - 2² = 68424308286907 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 (68424308286913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20148941 + ... + 23298678.

It is an arithmetic number, because the mean of its divisors is an integer number (17106088327350).

Almost surely, 2^{68424308286911} is an apocalyptic number.

68424308286911 is a deficient number, since it is larger than the sum of its proper divisors (45022489).

68424308286911 is a wasteful number, since it uses less digits than its factorization.

68424308286911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45022488.

The product of its (nonzero) digits is 31850496, while the sum is 62.

The spelling of 68424308286911 in words is "sixty-eight trillion, four hundred twenty-four billion, three hundred eight million, two hundred eighty-six thousand, nine hundred eleven".