8453346617857 has 2 divisors, whose sum is σ = 8453346617858. Its totient is φ = 8453346617856.

The previous prime is 8453346617827. The next prime is 8453346617873. The reversal of 8453346617857 is 7587166433548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8329781010496 + 123565607361 = 2886136^2 + 351519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8453346617857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8453346617792 and 8453346617801.

It is not a weakly prime, because it can be changed into another prime (8453346617827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4226673308928 + 4226673308929.

It is an arithmetic number, because the mean of its divisors is an integer number (4226673308929).

Almost surely, 2^{8453346617857} is an apocalyptic number.

It is an amenable number.

8453346617857 is a deficient number, since it is larger than the sum of its proper divisors (1).

8453346617857 is an equidigital number, since it uses as much as digits as its factorization.

8453346617857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 406425600, while the sum is 67.

The spelling of 8453346617857 in words is "eight trillion, four hundred fifty-three billion, three hundred forty-six million, six hundred seventeen thousand, eight hundred fifty-seven".