519473322257 has 2 divisors, whose sum is σ = 519473322258. Its totient is φ = 519473322256.

The previous prime is 519473322143. The next prime is 519473322281. The reversal of 519473322257 is 752223374915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468281544721 + 51191777536 = 684311^2 + 226256^2 .

It is a cyclic number.

It is not a de Polignac number, because 519473322257 - 2¹⁶ = 519473256721 is a prime.

It is not a weakly prime, because it can be changed into another prime (519473324257) 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, 259736661128 + 259736661129.

It is an arithmetic number, because the mean of its divisors is an integer number (259736661129).

Almost surely, 2^519473322257 is an apocalyptic number.

It is an amenable number.

519473322257 is a deficient number, since it is larger than the sum of its proper divisors (1).

519473322257 is an equidigital number, since it uses as much as digits as its factorization.

519473322257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 50.

The spelling of 519473322257 in words is "five hundred nineteen billion, four hundred seventy-three million, three hundred twenty-two thousand, two hundred fifty-seven".