500530550657 has 2 divisors, whose sum is σ = 500530550658. Its totient is φ = 500530550656.

The previous prime is 500530550579. The next prime is 500530550671. The reversal of 500530550657 is 756055035005.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337327478401 + 163203072256 = 580799^2 + 403984^2 .

It is a cyclic number.

It is not a de Polignac number, because 500530550657 - 2¹⁰ = 500530549633 is a prime.

It is a super-3 number, since 3×500530550657³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (500530550057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250265275328 + 250265275329.

It is an arithmetic number, because the mean of its divisors is an integer number (250265275329).

Almost surely, 2^500530550657 is an apocalyptic number.

It is an amenable number.

500530550657 is a deficient number, since it is larger than the sum of its proper divisors (1).

500530550657 is an equidigital number, since it uses as much as digits as its factorization.

500530550657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393750, while the sum is 41.

The spelling of 500530550657 in words is "five hundred billion, five hundred thirty million, five hundred fifty thousand, six hundred fifty-seven".