284623476149 has 2 divisors, whose sum is σ = 284623476150. Its totient is φ = 284623476148.

The previous prime is 284623476113. The next prime is 284623476197. The reversal of 284623476149 is 941674326482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283950436900 + 673039249 = 532870^2 + 25943^2 .

It is a cyclic number.

It is not a de Polignac number, because 284623476149 - 2¹⁶ = 284623410613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284623476094 and 284623476103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284623476349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142311738074 + 142311738075.

It is an arithmetic number, because the mean of its divisors is an integer number (142311738075).

Almost surely, 2^284623476149 is an apocalyptic number.

It is an amenable number.

284623476149 is a deficient number, since it is larger than the sum of its proper divisors (1).

284623476149 is an equidigital number, since it uses as much as digits as its factorization.

284623476149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 56.

The spelling of 284623476149 in words is "two hundred eighty-four billion, six hundred twenty-three million, four hundred seventy-six thousand, one hundred forty-nine".