685182793103 has 2 divisors, whose sum is σ = 685182793104. Its totient is φ = 685182793102.

The previous prime is 685182793091. The next prime is 685182793181. The reversal of 685182793103 is 301397281586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 685182793103 - 2⁶ = 685182793039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (685182795103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342591396551 + 342591396552.

It is an arithmetic number, because the mean of its divisors is an integer number (342591396552).

Almost surely, 2^685182793103 is an apocalyptic number.

685182793103 is a deficient number, since it is larger than the sum of its proper divisors (1).

685182793103 is an equidigital number, since it uses as much as digits as its factorization.

685182793103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 685182793103 in words is "six hundred eighty-five billion, one hundred eighty-two million, seven hundred ninety-three thousand, one hundred three".