510478460549 has 2 divisors, whose sum is σ = 510478460550. Its totient is φ = 510478460548.

The previous prime is 510478460539. The next prime is 510478460603. The reversal of 510478460549 is 945064874015.

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., 418673702500 + 91804758049 = 647050^2 + 302993^2 .

It is a cyclic number.

It is not a de Polignac number, because 510478460549 - 2²⁸ = 510210025093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 510478460549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (510478460539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255239230274 + 255239230275.

It is an arithmetic number, because the mean of its divisors is an integer number (255239230275).

Almost surely, 2^510478460549 is an apocalyptic number.

It is an amenable number.

510478460549 is a deficient number, since it is larger than the sum of its proper divisors (1).

510478460549 is an equidigital number, since it uses as much as digits as its factorization.

510478460549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 510478460549 in words is "five hundred ten billion, four hundred seventy-eight million, four hundred sixty thousand, five hundred forty-nine".