18069299 has 2 divisors, whose sum is σ = 18069300. Its totient is φ = 18069298.

The previous prime is 18069277. The next prime is 18069301. The reversal of 18069299 is 99296081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18069299 - 2¹⁶ = 18003763 is a prime.

Together with 18069301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18069199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9034649 + 9034650.

It is an arithmetic number, because the mean of its divisors is an integer number (9034650).

Almost surely, 2^18069299 is an apocalyptic number.

18069299 is a deficient number, since it is larger than the sum of its proper divisors (1).

18069299 is an equidigital number, since it uses as much as digits as its factorization.

18069299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 18069299 is about 4250.7998070951. The cubic root of 18069299 is about 262.4100323583.

The spelling of 18069299 in words is "eighteen million, sixty-nine thousand, two hundred ninety-nine".