68310545574371 has 4 divisors (see below), whose sum is σ = 68616870891072. Its totient is φ = 68004220257672.

The previous prime is 68310545574361. The next prime is 68310545574389. The reversal of 68310545574371 is 17347554501386.

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 68310545574371 - 2²⁶ = 68310478465507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68310545574371.

It is not an unprimeable number, because it can be changed into a prime (68310545574361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153162658016 + ... + 153162658461.

It is an arithmetic number, because the mean of its divisors is an integer number (17154217722768).

Almost surely, 2^{68310545574371} is an apocalyptic number.

68310545574371 is a deficient number, since it is larger than the sum of its proper divisors (306325316701).

68310545574371 is a wasteful number, since it uses less digits than its factorization.

68310545574371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306325316700.

The product of its (nonzero) digits is 42336000, while the sum is 59.

The spelling of 68310545574371 in words is "sixty-eight trillion, three hundred ten billion, five hundred forty-five million, five hundred seventy-four thousand, three hundred seventy-one".