68375091099 has 16 divisors (see below), whose sum is σ = 104202443520. Its totient is φ = 39067044960.

The previous prime is 68375091079. The next prime is 68375091151. The reversal of 68375091099 is 99019057386.

It is not a de Polignac number, because 68375091099 - 2⁸ = 68375090843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68375091079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9304 + ... + 369914.

It is an arithmetic number, because the mean of its divisors is an integer number (6512652720).

Almost surely, 2^68375091099 is an apocalyptic number.

68375091099 is a deficient number, since it is larger than the sum of its proper divisors (35827352421).

68375091099 is a wasteful number, since it uses less digits than its factorization.

68375091099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369650.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 68375091099 in words is "sixty-eight billion, three hundred seventy-five million, ninety-one thousand, ninety-nine".