284142859873 has 2 divisors, whose sum is σ = 284142859874. Its totient is φ = 284142859872.

The previous prime is 284142859849. The next prime is 284142859877. The reversal of 284142859873 is 378958241482.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248669774224 + 35473085649 = 498668^2 + 188343^2 .

It is a cyclic number.

It is not a de Polignac number, because 284142859873 - 2⁹ = 284142859361 is a prime.

It is a super-2 number, since 2×284142859873² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (284142859877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142071429936 + 142071429937.

It is an arithmetic number, because the mean of its divisors is an integer number (142071429937).

Almost surely, 2^284142859873 is an apocalyptic number.

It is an amenable number.

284142859873 is a deficient number, since it is larger than the sum of its proper divisors (1).

284142859873 is an equidigital number, since it uses as much as digits as its factorization.

284142859873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30965760, while the sum is 61.

The spelling of 284142859873 in words is "two hundred eighty-four billion, one hundred forty-two million, eight hundred fifty-nine thousand, eight hundred seventy-three".