18071363 has 2 divisors, whose sum is σ = 18071364. Its totient is φ = 18071362.

The previous prime is 18071351. The next prime is 18071377. The reversal of 18071363 is 36317081.

It is a weak prime.

It is an emirp because it is prime and its reverse (36317081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18071363 - 2⁸ = 18071107 is a prime.

It is equal to p_1155566 and since 18071363 and 1155566 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (18071393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9035681 + 9035682.

It is an arithmetic number, because the mean of its divisors is an integer number (9035682).

Almost surely, 2^18071363 is an apocalyptic number.

18071363 is a deficient number, since it is larger than the sum of its proper divisors (1).

18071363 is an equidigital number, since it uses as much as digits as its factorization.

18071363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 18071363 is about 4251.0425780037. The cubic root of 18071363 is about 262.4200234060.

The spelling of 18071363 in words is "eighteen million, seventy-one thousand, three hundred sixty-three".