18449053 has 16 divisors (see below), whose sum is σ = 21629440. Its totient is φ = 15410736.

The previous prime is 18449027. The next prime is 18449069. The reversal of 18449053 is 35094481.

It is a cyclic number.

It is not a de Polignac number, because 18449053 - 2¹³ = 18440861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18449003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65050 + ... + 65332.

It is an arithmetic number, because the mean of its divisors is an integer number (1351840).

Almost surely, 2^18449053 is an apocalyptic number.

It is an amenable number.

18449053 is a deficient number, since it is larger than the sum of its proper divisors (3180387).

18449053 is a wasteful number, since it uses less digits than its factorization.

18449053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 18449053 is about 4295.2360819866. The cubic root of 18449053 is about 264.2356185824.

The spelling of 18449053 in words is "eighteen million, four hundred forty-nine thousand, fifty-three".