284012253149 has 2 divisors, whose sum is σ = 284012253150. Its totient is φ = 284012253148.

The previous prime is 284012253131. The next prime is 284012253229. The reversal of 284012253149 is 941352210482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233403001924 + 50609251225 = 483118^2 + 224965^2 .

It is a cyclic number.

It is not a de Polignac number, because 284012253149 - 2⁸ = 284012252893 is a prime.

It is a super-3 number, since 3×284012253149³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284012243149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142006126574 + 142006126575.

It is an arithmetic number, because the mean of its divisors is an integer number (142006126575).

Almost surely, 2^284012253149 is an apocalyptic number.

It is an amenable number.

284012253149 is a deficient number, since it is larger than the sum of its proper divisors (1).

284012253149 is an equidigital number, since it uses as much as digits as its factorization.

284012253149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 284012253149 in words is "two hundred eighty-four billion, twelve million, two hundred fifty-three thousand, one hundred forty-nine".