284490864797 has 2 divisors, whose sum is σ = 284490864798. Its totient is φ = 284490864796.

The previous prime is 284490864769. The next prime is 284490864799. The reversal of 284490864797 is 797468094482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284244657316 + 246207481 = 533146^2 + 15691^2 .

It is a cyclic number.

It is not a de Polignac number, because 284490864797 - 2¹⁶ = 284490799261 is a prime.

Together with 284490864799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284490864799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142245432398 + 142245432399.

It is an arithmetic number, because the mean of its divisors is an integer number (142245432399).

Almost surely, 2^284490864797 is an apocalyptic number.

It is an amenable number.

284490864797 is a deficient number, since it is larger than the sum of its proper divisors (1).

284490864797 is an equidigital number, since it uses as much as digits as its factorization.

284490864797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195084288, while the sum is 68.

The spelling of 284490864797 in words is "two hundred eighty-four billion, four hundred ninety million, eight hundred sixty-four thousand, seven hundred ninety-seven".