18063219529 has 2 divisors, whose sum is σ = 18063219530. Its totient is φ = 18063219528.

The previous prime is 18063219511. The next prime is 18063219541. The reversal of 18063219529 is 92591236081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15133920400 + 2929299129 = 123020^2 + 54123^2 .

It is a cyclic number.

It is not a de Polignac number, because 18063219529 - 2²¹ = 18061122377 is a prime.

It is not a weakly prime, because it can be changed into another prime (18063214529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9031609764 + 9031609765.

It is an arithmetic number, because the mean of its divisors is an integer number (9031609765).

Almost surely, 2^18063219529 is an apocalyptic number.

It is an amenable number.

18063219529 is a deficient number, since it is larger than the sum of its proper divisors (1).

18063219529 is an equidigital number, since it uses as much as digits as its factorization.

18063219529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 18063219529 in words is "eighteen billion, sixty-three million, two hundred nineteen thousand, five hundred twenty-nine".