284297942081 has 2 divisors, whose sum is σ = 284297942082. Its totient is φ = 284297942080.

The previous prime is 284297942059. The next prime is 284297942119. The reversal of 284297942081 is 180249792482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261059683600 + 23238258481 = 510940^2 + 152441^2 .

It is a cyclic number.

It is not a de Polignac number, because 284297942081 - 2¹⁴ = 284297925697 is a prime.

It is a super-2 number, since 2×284297942081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (284297942041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142148971040 + 142148971041.

It is an arithmetic number, because the mean of its divisors is an integer number (142148971041).

Almost surely, 2^284297942081 is an apocalyptic number.

It is an amenable number.

284297942081 is a deficient number, since it is larger than the sum of its proper divisors (1).

284297942081 is an equidigital number, since it uses as much as digits as its factorization.

284297942081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 284297942081 in words is "two hundred eighty-four billion, two hundred ninety-seven million, nine hundred forty-two thousand, eighty-one".