518422327061 has 2 divisors, whose sum is σ = 518422327062. Its totient is φ = 518422327060.

The previous prime is 518422326973. The next prime is 518422327067. The reversal of 518422327061 is 160723224815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514103340100 + 4318986961 = 717010^2 + 65719^2 .

It is a cyclic number.

It is not a de Polignac number, because 518422327061 - 2²⁶ = 518355218197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518422327067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259211163530 + 259211163531.

It is an arithmetic number, because the mean of its divisors is an integer number (259211163531).

Almost surely, 2^518422327061 is an apocalyptic number.

It is an amenable number.

518422327061 is a deficient number, since it is larger than the sum of its proper divisors (1).

518422327061 is an equidigital number, since it uses as much as digits as its factorization.

518422327061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 518422327061 in words is "five hundred eighteen billion, four hundred twenty-two million, three hundred twenty-seven thousand, sixty-one".