846340613 has 2 divisors, whose sum is σ = 846340614. Its totient is φ = 846340612.

The previous prime is 846340571. The next prime is 846340633. The reversal of 846340613 is 316043648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829555204 + 16785409 = 28802^2 + 4097^2 .

It is a cyclic number.

It is not a de Polignac number, because 846340613 - 2⁶ = 846340549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846340633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423170306 + 423170307.

It is an arithmetic number, because the mean of its divisors is an integer number (423170307).

Almost surely, 2^846340613 is an apocalyptic number.

It is an amenable number.

846340613 is a deficient number, since it is larger than the sum of its proper divisors (1).

846340613 is an equidigital number, since it uses as much as digits as its factorization.

846340613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 846340613 is about 29091.9338133442. The cubic root of 846340613 is about 945.9069009094.

The spelling of 846340613 in words is "eight hundred forty-six million, three hundred forty thousand, six hundred thirteen".