18002671913 has 2 divisors, whose sum is σ = 18002671914. Its totient is φ = 18002671912.

The previous prime is 18002671903. The next prime is 18002671963. The reversal of 18002671913 is 31917620081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9437539609 + 8565132304 = 97147^2 + 92548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18002671913 is a prime.

It is not a weakly prime, because it can be changed into another prime (18002671903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9001335956 + 9001335957.

It is an arithmetic number, because the mean of its divisors is an integer number (9001335957).

Almost surely, 2^18002671913 is an apocalyptic number.

It is an amenable number.

18002671913 is a deficient number, since it is larger than the sum of its proper divisors (1).

18002671913 is an equidigital number, since it uses as much as digits as its factorization.

18002671913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 18002671913 in words is "eighteen billion, two million, six hundred seventy-one thousand, nine hundred thirteen".