918716973703 has 2 divisors, whose sum is σ = 918716973704. Its totient is φ = 918716973702.

The previous prime is 918716973697. The next prime is 918716973721. The reversal of 918716973703 is 307379617819.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 918716973703 - 2⁹ = 918716973191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918716973743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459358486851 + 459358486852.

It is an arithmetic number, because the mean of its divisors is an integer number (459358486852).

Almost surely, 2^918716973703 is an apocalyptic number.

918716973703 is a deficient number, since it is larger than the sum of its proper divisors (1).

918716973703 is an equidigital number, since it uses as much as digits as its factorization.

918716973703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12002256, while the sum is 61.

The spelling of 918716973703 in words is "nine hundred eighteen billion, seven hundred sixteen million, nine hundred seventy-three thousand, seven hundred three".