68074289899 has 32 divisors (see below), whose sum is σ = 85587803136. Its totient is φ = 52598315520.

The previous prime is 68074289879. The next prime is 68074289917. The reversal of 68074289899 is 99898247086.

It is a cyclic number.

It is not a de Polignac number, because 68074289899 - 2⁵ = 68074289867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68074289819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10893994 + ... + 10900240.

It is an arithmetic number, because the mean of its divisors is an integer number (2674618848).

Almost surely, 2^68074289899 is an apocalyptic number.

68074289899 is a deficient number, since it is larger than the sum of its proper divisors (17513513237).

68074289899 is a wasteful number, since it uses less digits than its factorization.

68074289899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7435.

The product of its (nonzero) digits is 125411328, while the sum is 70.

The spelling of 68074289899 in words is "sixty-eight billion, seventy-four million, two hundred eighty-nine thousand, eight hundred ninety-nine".