18314983 has 2 divisors, whose sum is σ = 18314984. Its totient is φ = 18314982.

The previous prime is 18314981. The next prime is 18314999. The reversal of 18314983 is 38941381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18314983 - 2¹ = 18314981 is a prime.

Together with 18314981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18314981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9157491 + 9157492.

It is an arithmetic number, because the mean of its divisors is an integer number (9157492).

Almost surely, 2^18314983 is an apocalyptic number.

18314983 is a deficient number, since it is larger than the sum of its proper divisors (1).

18314983 is an equidigital number, since it uses as much as digits as its factorization.

18314983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 18314983 is about 4279.6007991400. The cubic root of 18314983 is about 263.5939915796.

The spelling of 18314983 in words is "eighteen million, three hundred fourteen thousand, nine hundred eighty-three".