18379003 has 2 divisors, whose sum is σ = 18379004. Its totient is φ = 18379002.

The previous prime is 18378979. The next prime is 18379007. The reversal of 18379003 is 30097381.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18379003 is a prime.

It is not a weakly prime, because it can be changed into another prime (18379007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9189501 + 9189502.

It is an arithmetic number, because the mean of its divisors is an integer number (9189502).

Almost surely, 2^18379003 is an apocalyptic number.

18379003 is a deficient number, since it is larger than the sum of its proper divisors (1).

18379003 is an equidigital number, since it uses as much as digits as its factorization.

18379003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 18379003 is about 4287.0739438456. The cubic root of 18379003 is about 263.9007652363.

The spelling of 18379003 in words is "eighteen million, three hundred seventy-nine thousand, three".