18675383 has 2 divisors, whose sum is σ = 18675384. Its totient is φ = 18675382.

The previous prime is 18675359. The next prime is 18675389. The reversal of 18675383 is 38357681.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18675383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18675383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18675389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9337691 + 9337692.

It is an arithmetic number, because the mean of its divisors is an integer number (9337692).

Almost surely, 2^18675383 is an apocalyptic number.

18675383 is a deficient number, since it is larger than the sum of its proper divisors (1).

18675383 is an equidigital number, since it uses as much as digits as its factorization.

18675383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 18675383 is about 4321.5024007861. The cubic root of 18675383 is about 265.3117631360.

The spelling of 18675383 in words is "eighteen million, six hundred seventy-five thousand, three hundred eighty-three".