68870716093 has 4 divisors (see below), whose sum is σ = 71092352128. Its totient is φ = 66649080060.

The previous prime is 68870716063. The next prime is 68870716099. The reversal of 68870716093 is 39061707886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68870716093 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 (68870716099) 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, 1110817971 + ... + 1110818032.

It is an arithmetic number, because the mean of its divisors is an integer number (17773088032).

Almost surely, 2^68870716093 is an apocalyptic number.

It is an amenable number.

68870716093 is a deficient number, since it is larger than the sum of its proper divisors (2221636035).

68870716093 is a wasteful number, since it uses less digits than its factorization.

68870716093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221636034.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 68870716093 in words is "sixty-eight billion, eight hundred seventy million, seven hundred sixteen thousand, ninety-three".