284142859849 has 2 divisors, whose sum is σ = 284142859850. Its totient is φ = 284142859848.

The previous prime is 284142859843. The next prime is 284142859873. The reversal of 284142859849 is 948958241482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284126311225 + 16548624 = 533035^2 + 4068^2 .

It is a cyclic number.

It is not a de Polignac number, because 284142859849 - 2⁵ = 284142859817 is a prime.

It is not a weakly prime, because it can be changed into another prime (284142859843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142071429924 + 142071429925.

It is an arithmetic number, because the mean of its divisors is an integer number (142071429925).

Almost surely, 2^284142859849 is an apocalyptic number.

It is an amenable number.

284142859849 is a deficient number, since it is larger than the sum of its proper divisors (1).

284142859849 is an equidigital number, since it uses as much as digits as its factorization.

284142859849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53084160, while the sum is 64.

The spelling of 284142859849 in words is "two hundred eighty-four billion, one hundred forty-two million, eight hundred fifty-nine thousand, eight hundred forty-nine".