847097568613 has 2 divisors, whose sum is σ = 847097568614. Its totient is φ = 847097568612.

The previous prime is 847097568557. The next prime is 847097568719. The reversal of 847097568613 is 316865790748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828476782849 + 18620785764 = 910207^2 + 136458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-847097568613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (847097568113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423548784306 + 423548784307.

It is an arithmetic number, because the mean of its divisors is an integer number (423548784307).

Almost surely, 2^847097568613 is an apocalyptic number.

It is an amenable number.

847097568613 is a deficient number, since it is larger than the sum of its proper divisors (1).

847097568613 is an equidigital number, since it uses as much as digits as its factorization.

847097568613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 847097568613 in words is "eight hundred forty-seven billion, ninety-seven million, five hundred sixty-eight thousand, six hundred thirteen".