68042924903 has 2 divisors, whose sum is σ = 68042924904. Its totient is φ = 68042924902.

The previous prime is 68042924899. The next prime is 68042924909. The reversal of 68042924903 is 30942924086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68042924903 - 2² = 68042924899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68042924909) 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 as a sum of consecutive naturals, namely, 34021462451 + 34021462452.

It is an arithmetic number, because the mean of its divisors is an integer number (34021462452).

Almost surely, 2^68042924903 is an apocalyptic number.

68042924903 is a deficient number, since it is larger than the sum of its proper divisors (1).

68042924903 is an equidigital number, since it uses as much as digits as its factorization.

68042924903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 68042924903 in words is "sixty-eight billion, forty-two million, nine hundred twenty-four thousand, nine hundred three".