510360489649 has 2 divisors, whose sum is σ = 510360489650. Its totient is φ = 510360489648.

The previous prime is 510360489599. The next prime is 510360489761. The reversal of 510360489649 is 946984063015.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445465474624 + 64895015025 = 667432^2 + 254745^2 .

It is a cyclic number.

It is not a de Polignac number, because 510360489649 - 2⁷ = 510360489521 is a prime.

It is a super-2 number, since 2×510360489649² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 510360489649.

It is not a weakly prime, because it can be changed into another prime (510360489349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255180244824 + 255180244825.

It is an arithmetic number, because the mean of its divisors is an integer number (255180244825).

Almost surely, 2^510360489649 is an apocalyptic number.

It is an amenable number.

510360489649 is a deficient number, since it is larger than the sum of its proper divisors (1).

510360489649 is an equidigital number, since it uses as much as digits as its factorization.

510360489649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 510360489649 in words is "five hundred ten billion, three hundred sixty million, four hundred eighty-nine thousand, six hundred forty-nine".