18930683 has 2 divisors, whose sum is σ = 18930684. Its totient is φ = 18930682.

The previous prime is 18930661. The next prime is 18930697. The reversal of 18930683 is 38603981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18930683 - 2⁸ = 18930427 is a prime.

It is not a weakly prime, because it can be changed into another prime (18930623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9465341 + 9465342.

It is an arithmetic number, because the mean of its divisors is an integer number (9465342).

Almost surely, 2^18930683 is an apocalyptic number.

18930683 is a deficient number, since it is larger than the sum of its proper divisors (1).

18930683 is an equidigital number, since it uses as much as digits as its factorization.

18930683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 18930683 is about 4350.9404730472. The cubic root of 18930683 is about 266.5152684012.

The spelling of 18930683 in words is "eighteen million, nine hundred thirty thousand, six hundred eighty-three".