18050999 has 2 divisors, whose sum is σ = 18051000. Its totient is φ = 18050998.

The previous prime is 18050987. The next prime is 18051001. The reversal of 18050999 is 99905081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18050999 - 2¹⁶ = 17985463 is a prime.

Together with 18051001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18050099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9025499 + 9025500.

It is an arithmetic number, because the mean of its divisors is an integer number (9025500).

Almost surely, 2^18050999 is an apocalyptic number.

18050999 is a deficient number, since it is larger than the sum of its proper divisors (1).

18050999 is an equidigital number, since it uses as much as digits as its factorization.

18050999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 18050999 is about 4248.6467257234. The cubic root of 18050999 is about 262.3214156454.

The spelling of 18050999 in words is "eighteen million, fifty thousand, nine hundred ninety-nine".