510664849 has 2 divisors, whose sum is σ = 510664850. Its totient is φ = 510664848.

The previous prime is 510664789. The next prime is 510664859. The reversal of 510664849 is 948466015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486996624 + 23668225 = 22068^2 + 4865^2 .

It is a cyclic number.

It is not a de Polignac number, because 510664849 - 2⁹ = 510664337 is a prime.

It is not a weakly prime, because it can be changed into another prime (510664859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255332424 + 255332425.

It is an arithmetic number, because the mean of its divisors is an integer number (255332425).

Almost surely, 2^510664849 is an apocalyptic number.

It is an amenable number.

510664849 is a deficient number, since it is larger than the sum of its proper divisors (1).

510664849 is an equidigital number, since it uses as much as digits as its factorization.

510664849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 510664849 is about 22597.8947913296. The cubic root of 510664849 is about 799.3040035159.

The spelling of 510664849 in words is "five hundred ten million, six hundred sixty-four thousand, eight hundred forty-nine".