500366563121 has 2 divisors, whose sum is σ = 500366563122. Its totient is φ = 500366563120.

The previous prime is 500366563007. The next prime is 500366563127. The reversal of 500366563121 is 121365663005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500187003121 + 179560000 = 707239^2 + 13400^2 .

It is a cyclic number.

It is not a de Polignac number, because 500366563121 - 2¹⁰ = 500366562097 is a prime.

It is not a weakly prime, because it can be changed into another prime (500366563127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250183281560 + 250183281561.

It is an arithmetic number, because the mean of its divisors is an integer number (250183281561).

Almost surely, 2^500366563121 is an apocalyptic number.

It is an amenable number.

500366563121 is a deficient number, since it is larger than the sum of its proper divisors (1).

500366563121 is an equidigital number, since it uses as much as digits as its factorization.

500366563121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 500366563121 in words is "five hundred billion, three hundred sixty-six million, five hundred sixty-three thousand, one hundred twenty-one".