918000000793 has 2 divisors, whose sum is σ = 918000000794. Its totient is φ = 918000000792.

The previous prime is 918000000787. The next prime is 918000000851. The reversal of 918000000793 is 397000000819.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524504747529 + 393495253264 = 724227^2 + 627292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-918000000793 is a prime.

It is not a weakly prime, because it can be changed into another prime (918000000703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459000000396 + 459000000397.

It is an arithmetic number, because the mean of its divisors is an integer number (459000000397).

Almost surely, 2^918000000793 is an apocalyptic number.

It is an amenable number.

918000000793 is a deficient number, since it is larger than the sum of its proper divisors (1).

918000000793 is an equidigital number, since it uses as much as digits as its factorization.

918000000793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 918000000793 in words is "nine hundred eighteen billion, seven hundred ninety-three", and thus it is an aban number.