68900450287703 has 2 divisors, whose sum is σ = 68900450287704. Its totient is φ = 68900450287702.

The previous prime is 68900450287681. The next prime is 68900450287793. The reversal of 68900450287703 is 30778205400986.

It is a happy number.

68900450287703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68900450287703 - 2¹⁸ = 68900450025559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68900450287793) 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, 34450225143851 + 34450225143852.

It is an arithmetic number, because the mean of its divisors is an integer number (34450225143852).

Almost surely, 2^{68900450287703} is an apocalyptic number.

68900450287703 is a deficient number, since it is larger than the sum of its proper divisors (1).

68900450287703 is an equidigital number, since it uses as much as digits as its factorization.

68900450287703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 68900450287703 in words is "sixty-eight trillion, nine hundred billion, four hundred fifty million, two hundred eighty-seven thousand, seven hundred three".