285409482049 has 2 divisors, whose sum is σ = 285409482050. Its totient is φ = 285409482048.

The previous prime is 285409482041. The next prime is 285409482073. The reversal of 285409482049 is 940284904582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278641458225 + 6768023824 = 527865^2 + 82268^2 .

It is a cyclic number.

It is not a de Polignac number, because 285409482049 - 2³ = 285409482041 is a prime.

It is not a weakly prime, because it can be changed into another prime (285409482041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142704741024 + 142704741025.

It is an arithmetic number, because the mean of its divisors is an integer number (142704741025).

Almost surely, 2^285409482049 is an apocalyptic number.

It is an amenable number.

285409482049 is a deficient number, since it is larger than the sum of its proper divisors (1).

285409482049 is an equidigital number, since it uses as much as digits as its factorization.

285409482049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 285409482049 in words is "two hundred eighty-five billion, four hundred nine million, four hundred eighty-two thousand, forty-nine".