18050269 has 6 divisors (see below), whose sum is σ = 18328254. Its totient is φ = 17776440.

The previous prime is 18050261. The next prime is 18050287. The reversal of 18050269 is 96205081.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 6827769 = 3350^2 + 2613^2 .

It is not a de Polignac number, because 18050269 - 2³ = 18050261 is a prime.

It is a super-2 number, since 2×18050269² = 651624421944722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 18050269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18050261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2479 + ... + 6499.

It is an arithmetic number, because the mean of its divisors is an integer number (3054709).

Almost surely, 2^18050269 is an apocalyptic number.

It is an amenable number.

18050269 is a deficient number, since it is larger than the sum of its proper divisors (277985).

18050269 is an frugal number, since it uses more digits than its factorization.

18050269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155 (or 4088 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 18050269 is about 4248.5608151467. The cubic root of 18050269 is about 262.3178794198.

The spelling of 18050269 in words is "eighteen million, fifty thousand, two hundred sixty-nine".