846593238643 has 2 divisors, whose sum is σ = 846593238644. Its totient is φ = 846593238642.

The previous prime is 846593238599. The next prime is 846593238677. The reversal of 846593238643 is 346832395648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 846593238643 - 2¹³ = 846593230451 is a prime.

It is a super-2 number, since 2×846593238643² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (846593238143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423296619321 + 423296619322.

It is an arithmetic number, because the mean of its divisors is an integer number (423296619322).

Almost surely, 2^846593238643 is an apocalyptic number.

846593238643 is a deficient number, since it is larger than the sum of its proper divisors (1).

846593238643 is an equidigital number, since it uses as much as digits as its factorization.

846593238643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89579520, while the sum is 61.

The spelling of 846593238643 in words is "eight hundred forty-six billion, five hundred ninety-three million, two hundred thirty-eight thousand, six hundred forty-three".