18205000927 has 2 divisors, whose sum is σ = 18205000928. Its totient is φ = 18205000926.

The previous prime is 18205000921. The next prime is 18205000949. The reversal of 18205000927 is 72900050281.

It is a weak prime.

It is an emirp because it is prime and its reverse (72900050281) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18205000927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18205000892 and 18205000901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18205000921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9102500463 + 9102500464.

It is an arithmetic number, because the mean of its divisors is an integer number (9102500464).

Almost surely, 2^18205000927 is an apocalyptic number.

18205000927 is a deficient number, since it is larger than the sum of its proper divisors (1).

18205000927 is an equidigital number, since it uses as much as digits as its factorization.

18205000927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 18205000927 in words is "eighteen billion, two hundred five million, nine hundred twenty-seven", and thus it is an aban number.