845100841873 has 2 divisors, whose sum is σ = 845100841874. Its totient is φ = 845100841872.

The previous prime is 845100841817. The next prime is 845100841883. The reversal of 845100841873 is 378148001548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619065255249 + 226035586624 = 786807^2 + 475432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-845100841873 is a prime.

It is not a weakly prime, because it can be changed into another prime (845100841883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422550420936 + 422550420937.

It is an arithmetic number, because the mean of its divisors is an integer number (422550420937).

Almost surely, 2^845100841873 is an apocalyptic number.

It is an amenable number.

845100841873 is a deficient number, since it is larger than the sum of its proper divisors (1).

845100841873 is an equidigital number, since it uses as much as digits as its factorization.

845100841873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 845100841873 in words is "eight hundred forty-five billion, one hundred million, eight hundred forty-one thousand, eight hundred seventy-three".