18527223053 has 2 divisors, whose sum is σ = 18527223054. Its totient is φ = 18527223052.

The previous prime is 18527223017. The next prime is 18527223103. The reversal of 18527223053 is 35032272581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18321788164 + 205434889 = 135358^2 + 14333^2 .

It is an emirp because it is prime and its reverse (35032272581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18527223053 - 2¹⁴ = 18527206669 is a prime.

It is a super-2 number, since 2×18527223053² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18527222998 and 18527223016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18527222053) 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, 9263611526 + 9263611527.

It is an arithmetic number, because the mean of its divisors is an integer number (9263611527).

Almost surely, 2^18527223053 is an apocalyptic number.

It is an amenable number.

18527223053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18527223053 is an equidigital number, since it uses as much as digits as its factorization.

18527223053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 18527223053 in words is "eighteen billion, five hundred twenty-seven million, two hundred twenty-three thousand, fifty-three".