68489121774 has 8 divisors (see below), whose sum is σ = 136978243560. Its totient is φ = 22829707256.

The previous prime is 68489121763. The next prime is 68489121781. The reversal of 68489121774 is 47712198486.

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

68489121774 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5707426809 + ... + 5707426820.

It is an arithmetic number, because the mean of its divisors is an integer number (17122280445).

Almost surely, 2^68489121774 is an apocalyptic number.

68489121774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68489121774 is a wasteful number, since it uses less digits than its factorization.

68489121774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414853634.

The product of its digits is 5419008, while the sum is 57.

The spelling of 68489121774 in words is "sixty-eight billion, four hundred eighty-nine million, one hundred twenty-one thousand, seven hundred seventy-four".