290530289434897 has 2 divisors, whose sum is σ = 290530289434898. Its totient is φ = 290530289434896.

The previous prime is 290530289434873. The next prime is 290530289434919. The reversal of 290530289434897 is 798434982035092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290327486922001 + 202802512896 = 17038999^2 + 450336^2 .

It is a cyclic number.

It is not a de Polignac number, because 290530289434897 - 2³¹ = 290528141951249 is a prime.

It is not a weakly prime, because it can be changed into another prime (290530289434837) 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, 145265144717448 + 145265144717449.

It is an arithmetic number, because the mean of its divisors is an integer number (145265144717449).

Almost surely, 2^{290530289434897} is an apocalyptic number.

It is an amenable number.

290530289434897 is a deficient number, since it is larger than the sum of its proper divisors (1).

290530289434897 is an equidigital number, since it uses as much as digits as its factorization.

290530289434897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940584960, while the sum is 73.

The spelling of 290530289434897 in words is "two hundred ninety trillion, five hundred thirty billion, two hundred eighty-nine million, four hundred thirty-four thousand, eight hundred ninety-seven".