68459261903 has 2 divisors, whose sum is σ = 68459261904. Its totient is φ = 68459261902.

The previous prime is 68459261869. The next prime is 68459261909. The reversal of 68459261903 is 30916295486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68459261903 - 2²⁸ = 68190826447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68459261909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34229630951 + 34229630952.

It is an arithmetic number, because the mean of its divisors is an integer number (34229630952).

Almost surely, 2^68459261903 is an apocalyptic number.

68459261903 is a deficient number, since it is larger than the sum of its proper divisors (1).

68459261903 is an equidigital number, since it uses as much as digits as its factorization.

68459261903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 68459261903 in words is "sixty-eight billion, four hundred fifty-nine million, two hundred sixty-one thousand, nine hundred three".