500530549121 has 2 divisors, whose sum is σ = 500530549122. Its totient is φ = 500530549120.

The previous prime is 500530549087. The next prime is 500530549159. The reversal of 500530549121 is 121945035005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439675086400 + 60855462721 = 663080^2 + 246689^2 .

It is a cyclic number.

It is not a de Polignac number, because 500530549121 - 2³⁴ = 483350679937 is a prime.

It is not a weakly prime, because it can be changed into another prime (500530549171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250265274560 + 250265274561.

It is an arithmetic number, because the mean of its divisors is an integer number (250265274561).

Almost surely, 2^500530549121 is an apocalyptic number.

It is an amenable number.

500530549121 is a deficient number, since it is larger than the sum of its proper divisors (1).

500530549121 is an equidigital number, since it uses as much as digits as its factorization.

500530549121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 500530549121 in words is "five hundred billion, five hundred thirty million, five hundred forty-nine thousand, one hundred twenty-one".