18836063 has 2 divisors, whose sum is σ = 18836064. Its totient is φ = 18836062.

The previous prime is 18836053. The next prime is 18836089. The reversal of 18836063 is 36063881.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18836063 - 2⁴ = 18836047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18836033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9418031 + 9418032.

It is an arithmetic number, because the mean of its divisors is an integer number (9418032).

Almost surely, 2^18836063 is an apocalyptic number.

18836063 is a deficient number, since it is larger than the sum of its proper divisors (1).

18836063 is an equidigital number, since it uses as much as digits as its factorization.

18836063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 18836063 is about 4340.0533406860. The cubic root of 18836063 is about 266.0704912393.

The spelling of 18836063 in words is "eighteen million, eight hundred thirty-six thousand, sixty-three".