68493188774 has 8 divisors (see below), whose sum is σ = 103118897568. Its totient is φ = 34120222920.

The previous prime is 68493188761. The next prime is 68493188779. The reversal of 68493188774 is 47788139486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68493188774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68493188779) 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, 63185057 + ... + 63186140.

It is an arithmetic number, because the mean of its divisors is an integer number (12889862196).

Almost surely, 2^68493188774 is an apocalyptic number.

68493188774 is a deficient number, since it is larger than the sum of its proper divisors (34625708794).

68493188774 is a wasteful number, since it uses less digits than its factorization.

68493188774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126371470.

The product of its digits is 65028096, while the sum is 65.

The spelling of 68493188774 in words is "sixty-eight billion, four hundred ninety-three million, one hundred eighty-eight thousand, seven hundred seventy-four".