68188399395 has 8 divisors (see below), whose sum is σ = 109101439056. Its totient is φ = 36367146336.

The previous prime is 68188399373. The next prime is 68188399429. The reversal of 68188399395 is 59399388186.

68188399395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 68188399395 - 2¹⁶ = 68188333859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2272946632 + ... + 2272946661.

It is an arithmetic number, because the mean of its divisors is an integer number (13637679882).

Almost surely, 2^68188399395 is an apocalyptic number.

68188399395 is a deficient number, since it is larger than the sum of its proper divisors (40913039661).

68188399395 is a wasteful number, since it uses less digits than its factorization.

68188399395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545893301.

The product of its digits is 100776960, while the sum is 69.

The spelling of 68188399395 in words is "sixty-eight billion, one hundred eighty-eight million, three hundred ninety-nine thousand, three hundred ninety-five".