854630846317 has 2 divisors, whose sum is σ = 854630846318. Its totient is φ = 854630846316.

The previous prime is 854630846273. The next prime is 854630846339. The reversal of 854630846317 is 713648036458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814071303081 + 40559543236 = 902259^2 + 201394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854630846317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854630846347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427315423158 + 427315423159.

It is an arithmetic number, because the mean of its divisors is an integer number (427315423159).

Almost surely, 2^854630846317 is an apocalyptic number.

It is an amenable number.

854630846317 is a deficient number, since it is larger than the sum of its proper divisors (1).

854630846317 is an equidigital number, since it uses as much as digits as its factorization.

854630846317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 854630846317 in words is "eight hundred fifty-four billion, six hundred thirty million, eight hundred forty-six thousand, three hundred seventeen".