68195714338 has 4 divisors (see below), whose sum is σ = 102293571510. Its totient is φ = 34097857168.

The previous prime is 68195714317. The next prime is 68195714339. The reversal of 68195714338 is 83341759186.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64047967929 + 4147746409 = 253077^2 + 64403^2 .

It is not an unprimeable number, because it can be changed into a prime (68195714339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17048928583 + ... + 17048928586.

Almost surely, 2^68195714338 is an apocalyptic number.

68195714338 is a deficient number, since it is larger than the sum of its proper divisors (34097857172).

68195714338 is a wasteful number, since it uses less digits than its factorization.

68195714338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34097857171.

The product of its digits is 4354560, while the sum is 55.

The spelling of 68195714338 in words is "sixty-eight billion, one hundred ninety-five million, seven hundred fourteen thousand, three hundred thirty-eight".