858601820143 has 2 divisors, whose sum is σ = 858601820144. Its totient is φ = 858601820142.

The previous prime is 858601820093. The next prime is 858601820231. The reversal of 858601820143 is 341028106858.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-858601820143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 858601820093 and 858601820102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (858601820543) 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, 429300910071 + 429300910072.

It is an arithmetic number, because the mean of its divisors is an integer number (429300910072).

Almost surely, 2^858601820143 is an apocalyptic number.

858601820143 is a deficient number, since it is larger than the sum of its proper divisors (1).

858601820143 is an equidigital number, since it uses as much as digits as its factorization.

858601820143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 858601820143 in words is "eight hundred fifty-eight billion, six hundred one million, eight hundred twenty thousand, one hundred forty-three".