68095140499 has 4 divisors (see below), whose sum is σ = 68203057360. Its totient is φ = 67987223640.

The previous prime is 68095140481. The next prime is 68095140521. The reversal of 68095140499 is 99404159086.

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

It is a cyclic number.

It is not a de Polignac number, because 68095140499 - 2²³ = 68086751891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68095140469) 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, 53957484 + ... + 53958745.

It is an arithmetic number, because the mean of its divisors is an integer number (17050764340).

Almost surely, 2^68095140499 is an apocalyptic number.

68095140499 is a deficient number, since it is larger than the sum of its proper divisors (107916861).

68095140499 is a wasteful number, since it uses less digits than its factorization.

68095140499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107916860.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 68095140499 in words is "sixty-eight billion, ninety-five million, one hundred forty thousand, four hundred ninety-nine".