507056520409 has 2 divisors, whose sum is σ = 507056520410. Its totient is φ = 507056520408.

The previous prime is 507056520293. The next prime is 507056520413. The reversal of 507056520409 is 904025650705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360408115600 + 146648404809 = 600340^2 + 382947^2 .

It is a cyclic number.

It is not a de Polignac number, because 507056520409 - 2⁷ = 507056520281 is a prime.

It is a super-3 number, since 3×507056520409³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (507056520449) 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, 253528260204 + 253528260205.

It is an arithmetic number, because the mean of its divisors is an integer number (253528260205).

Almost surely, 2^507056520409 is an apocalyptic number.

It is an amenable number.

507056520409 is a deficient number, since it is larger than the sum of its proper divisors (1).

507056520409 is an equidigital number, since it uses as much as digits as its factorization.

507056520409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 507056520409 in words is "five hundred seven billion, fifty-six million, five hundred twenty thousand, four hundred nine".